diff --git a/Timeline/Annotation_Point.H b/Timeline/Annotation_Point.H
index ce38813..27d66c1 100644
--- a/Timeline/Annotation_Point.H
+++ b/Timeline/Annotation_Point.H
@@ -65,9 +65,9 @@ public:
     /* for loggable */
     LOG_CREATE_FUNC( Annotation_Point );
 
-    Annotation_Point ( Sequence *track, nframes_t when, const char *name )
+    Annotation_Point ( Sequence *sequence, nframes_t when, const char *name )
         {
-            _track = track;
+            _sequence = sequence;
 
             _r->offset = when;
 
@@ -112,7 +112,7 @@ public:
 
             if ( m == FL_RELEASE )
             {
-                _track->sort();
+                sequence()->sort();
                 timeline->redraw();
             }
 
diff --git a/Timeline/Annotation_Region.C b/Timeline/Annotation_Region.C
index 6d5d8a5..778e177 100644
--- a/Timeline/Annotation_Region.C
+++ b/Timeline/Annotation_Region.C
@@ -48,9 +48,9 @@ Annotation_Region::set ( Log_Entry &e )
 //            timeline->redraw();
 }
 
-Annotation_Region::Annotation_Region ( Sequence *track, nframes_t when, const char *name )
+Annotation_Region::Annotation_Region ( Sequence *sequence, nframes_t when, const char *name )
 {
-    _track = track;
+    _sequence = sequence;
 
     _r->offset = when;
 
@@ -110,7 +110,7 @@ Annotation_Region::handle ( int m )
 
     if ( m == FL_RELEASE )
     {
-        _track->sort();
+        sequence()->sort();
         timeline->redraw();
     }
 
diff --git a/Timeline/Audio_Region.C b/Timeline/Audio_Region.C
index 9b9ad6b..bd187a5 100644
--- a/Timeline/Audio_Region.C
+++ b/Timeline/Audio_Region.C
@@ -87,7 +87,7 @@ void
 Audio_Region::init ( void )
 {
 
-    _track = NULL;
+    _sequence = NULL;
     _r->offset = 0;
     _r->start = 0;
     _r->end = 0;
@@ -140,10 +140,10 @@ Audio_Region::Audio_Region ( Audio_File *c, Sequence *t, nframes_t o )
     init();
     _clip = c;
     _r->end = _clip->length();
-    _track = t;
+    _sequence = t;
     _r->offset = o;
 
-    _track->add( this );
+    sequence()->add( this );
 
     int sum = 0;
     const char *s = rindex( _clip->name(), '/' );
@@ -204,7 +204,7 @@ Audio_Region::handle ( int m )
                 if ( offset < length() )
                     _fade_in.length = offset;
 
-                printf( "setting fade in length to %lu\n", _fade_in.length );
+                DMESSAGE( "setting fade in length to %lu", _fade_in.length );
 
                 redraw();
 
@@ -217,7 +217,7 @@ Audio_Region::handle ( int m )
                 if ( offset > 0 )
                     _fade_out.length = offset;
 
-                printf( "setting fade out length to %lu\n", _fade_in.length );
+                DMESSAGE( "setting fade out length to %lu", _fade_in.length );
 
                 redraw();
 
@@ -246,7 +246,7 @@ Audio_Region::handle ( int m )
                             trim( RIGHT, X );
                             copy->trim( LEFT, X );
 
-                            _track->add( copy );
+                            sequence()->add( copy );
 
                             log_end();
 
@@ -369,7 +369,7 @@ Audio_Region::handle ( int m )
 
                 _r->end = _r->start + W;
 
-                _track->redraw();
+                sequence()->redraw();
                 return 1;
             }
 
@@ -378,7 +378,7 @@ Audio_Region::handle ( int m )
             {
                 if ( _drag->state == 0 )
                 {
-                    _track->add( new Audio_Region( *this ) );
+                    sequence()->add( new Audio_Region( *this ) );
                     _drag->state = 1;
                     return 1;
                 }
@@ -468,11 +468,11 @@ Audio_Region::draw_box( void )
 
     Fl_Color selection_color = _selection_color;
 
-    Fl_Color color = Audio_Region::inherit_track_color ? track()->track()->color() :  _box_color;
+    Fl_Color color = Audio_Region::inherit_track_color ? sequence()->track()->color() :  _box_color;
 
-    color = fl_color_average( color, track()->color(), 0.75f );
+    color = fl_color_average( color, sequence()->color(), 0.75f );
 
-    if ( this == ((Audio_Sequence*)track())->capture() )
+    if ( this == ((Audio_Sequence*)sequence())->capture() )
     {
         color = FL_RED;
     }
@@ -515,7 +515,7 @@ Audio_Region::draw ( void )
     int OX = scroll_x();
     int ox = timeline->ts_to_x( _r->offset );
 
-    if ( ox > OX + _track->w() ||
+    if ( ox > OX + sequence()->w() ||
          ox < OX && ox + abs_w() < OX )
         /* not in viewport */
         return;
@@ -532,7 +532,7 @@ Audio_Region::draw ( void )
         rw -= OX - ox;
     }
 
-    rw = min( rw, _track->w() );
+    rw = min( rw, sequence()->w() );
 
     int rx = x();
 
@@ -823,7 +823,7 @@ Audio_Region::write ( nframes_t nframes )
         if ( W )
         {
             ++W;
-            track()->damage( FL_DAMAGE_ALL, x() + w() - W, y(), W, h() );
+            sequence()->damage( FL_DAMAGE_ALL, x() + w() - W, y(), W, h() );
         }
     }
 
diff --git a/Timeline/Control_Point.C b/Timeline/Control_Point.C
index ee8ea90..6da393c 100644
--- a/Timeline/Control_Point.C
+++ b/Timeline/Control_Point.C
@@ -21,7 +21,7 @@
 
 Control_Point::Control_Point ( Sequence *t, nframes_t when, float y )
 {
-    _track = t;
+    _sequence = t;
     _y = y;
     _r->offset = when;
     _box_color = FL_WHITE;
@@ -87,12 +87,12 @@ Control_Point::handle ( int m )
     {
 
         case FL_RELEASE:
-            _track->sort();
+            sequence()->sort();
             redraw();
             break;
         case FL_DRAG:
         {
-            track()->sort();
+            sequence()->sort();
 
             if ( selected() )
                 break;
diff --git a/Timeline/Sequence.C b/Timeline/Sequence.C
index b492132..c8f9841 100644
--- a/Timeline/Sequence.C
+++ b/Timeline/Sequence.C
@@ -121,7 +121,7 @@ Sequence::draw ( void )
 
     fl_clip_box( x(), y(), w(), h(), X, Y, W, H );
 
-    if ( Sequence_Widget::pushed() && Sequence_Widget::pushed()->track() == this )
+    if ( Sequence_Widget::pushed() && Sequence_Widget::pushed()->sequence() == this )
     {
         /* make sure the Sequence_Widget::pushed widget is above all others */
         remove( Sequence_Widget::pushed() );
@@ -198,14 +198,14 @@ Sequence::add ( Sequence_Widget *r )
 {
 //    Logger _log( this );
 
-    if ( r->track() )
+    if ( r->sequence() )
     {
         r->redraw();
-        r->track()->remove( r );
+        r->sequence()->remove( r );
 //        r->track()->redraw();
     }
 
-    r->track( this );
+    r->sequence( this );
     _widgets.push_back( r );
 
     sort();
@@ -254,7 +254,7 @@ Sequence::snap ( Sequence_Widget *r )
 
     if ( timeline->nearest_line( r->offset(), &f ) )
     {
-        printf( "snap frame is %lu\n", f );
+//        printf( "snap frame is %lu\n", f );
         r->offset( f );
     }
 }
@@ -276,7 +276,7 @@ Sequence::handle ( int m )
             if ( Sequence_Widget::pushed() )
             {
 
-                if ( Sequence_Widget::pushed()->track()->class_name() == class_name() )
+                if ( Sequence_Widget::pushed()->sequence()->class_name() == class_name() )
                 {
                     /* accept objects dragged from other sequences of this type */
                     add( Sequence_Widget::pushed() );
diff --git a/Timeline/Sequence_Point.C b/Timeline/Sequence_Point.C
index 3ffd3ee..b3c1078 100644
--- a/Timeline/Sequence_Point.C
+++ b/Timeline/Sequence_Point.C
@@ -23,7 +23,7 @@ void
 Sequence_Point::get ( Log_Entry &e ) const
 {
     e.add( ":x", _r->offset );
-    e.add( ":t", _track );
+    e.add( ":t", _sequence );
 }
 
 void
@@ -39,7 +39,7 @@ Sequence_Point::set ( Log_Entry &e )
 
         if ( ! strcmp( ":x", s ) )
         {
-            _track->sort();
+            sequence()->sort();
         }
 
     }
diff --git a/Timeline/Sequence_Point.H b/Timeline/Sequence_Point.H
index 777635c..95e797a 100644
--- a/Timeline/Sequence_Point.H
+++ b/Timeline/Sequence_Point.H
@@ -52,8 +52,8 @@ public:
         {
             const int x = Sequence_Widget::x();
 
-            if ( x >= _track->x() + _track->w() )
-                return _track->x() + _track->w() + abs_w();
+            if ( x >= sequence()->x() + sequence()->w() )
+                return sequence()->x() + sequence()->w() + abs_w();
             else
                 return x;
 
diff --git a/Timeline/Sequence_Region.C b/Timeline/Sequence_Region.C
index 108b60f..6242d96 100644
--- a/Timeline/Sequence_Region.C
+++ b/Timeline/Sequence_Region.C
@@ -36,7 +36,7 @@ void
 Sequence_Region::trim ( enum trim_e t, int X )
 {
 
-    X -= _track->x();
+    X -= sequence()->x();
     redraw();
 
     switch ( t )
diff --git a/Timeline/Sequence_Widget.C b/Timeline/Sequence_Widget.C
index 2a7d73e..3b9511c 100644
--- a/Timeline/Sequence_Widget.C
+++ b/Timeline/Sequence_Widget.C
@@ -151,7 +151,7 @@ Sequence_Widget::handle ( int m )
             fl_cursor( FL_CURSOR_HAND );
             return 1;
         case FL_LEAVE:
-            fl_cursor( _track->cursor() );
+            fl_cursor( sequence()->cursor() );
             return 1;
         case FL_PUSH:
         {
@@ -160,7 +160,7 @@ Sequence_Widget::handle ( int m )
                  Fl::event_button3() )
             {
                 redraw();
-                _track->queue_delete( this );
+                sequence()->queue_delete( this );
                 return 1;
             }
             else
@@ -199,15 +199,15 @@ Sequence_Widget::handle ( int m )
                     _r->offset = of - _drag->offset;
 
                     if ( Sequence_Widget::_current == this )
-                        _track->snap( this );
+                        sequence()->snap( this );
                 }
                 else
                     _r->offset = 0;
 
             }
 
-            if ( X >= _track->x() + _track->w() ||
-                 X <= _track->x() )
+            if ( X >= sequence()->x() + sequence()->w() ||
+                 X <= sequence()->x() )
             {
                 /* this drag needs to scroll */
 
@@ -215,7 +215,7 @@ Sequence_Widget::handle ( int m )
 
                 nframes_t d = timeline->x_to_ts( 100 );
 
-                if ( X <= _track->x() )
+                if ( X <= sequence()->x() )
                 {
 
                     if ( pos > d )
@@ -229,7 +229,7 @@ Sequence_Widget::handle ( int m )
                 timeline->xposition( timeline->ts_to_x(  pos ) );
 
                 /* FIXME: why isn't this enough? */
-//                _track->redraw();
+//                sequence()->redraw();
                 timeline->redraw();
             }
 
diff --git a/Timeline/Sequence_Widget.H b/Timeline/Sequence_Widget.H
index 26d956d..f19a8bb 100644
--- a/Timeline/Sequence_Widget.H
+++ b/Timeline/Sequence_Widget.H
@@ -69,7 +69,7 @@ class Sequence_Widget : public Loggable
 
 protected:
 
-    Sequence *_track;                                              /* track this region belongs to */
+    Sequence *_sequence;                                              /* track this region belongs to */
 
     Range _range;                                               /* range for playback */
     Range *_r;                                                  /* range for editing / display (points to the same thing as above, except for when dragging etc) */
@@ -85,7 +85,7 @@ protected:
             e.add( ":x", _r->offset );
             e.add( ":l", _r->start );
             e.add( ":r", _r->end );
-            e.add( ":sequence", _track );
+            e.add( ":sequence", _sequence );
             e.add( ":selected", selected() );
         }
 
@@ -125,8 +125,8 @@ protected:
 //                    e.erase( i );
             }
 
-            if ( _track )
-                _track->redraw();
+            if ( _sequence )
+                _sequence->redraw();
 
         }
 
@@ -134,7 +134,7 @@ public:
 
     Sequence_Widget ( )
         {
-            _track = NULL;
+            _sequence = NULL;
 
             _r = &_range;
 
@@ -150,7 +150,7 @@ public:
         {
             redraw();
 
-            _track->remove( this );
+            _sequence->remove( this );
 
             _selection.remove( this );
         }
@@ -163,7 +163,7 @@ public:
 
             _r         = &_range;
             _range     = rhs._range;
-            _track     = rhs._track;
+            _sequence     = rhs._sequence;
             _box_color = rhs._box_color;
             _color     = rhs._color;
 
@@ -273,24 +273,24 @@ public:
 
     int dispatch ( int m );
 
-    Fl_Widget * parent ( void ) const { return _track; }
+    Fl_Widget * parent ( void ) const { return _sequence; }
 
     int scroll_x ( void ) const { return timeline->ts_to_x( timeline->xoffset ); }
     nframes_t scroll_ts ( void ) const { return timeline->xoffset; }
 
-    virtual int y ( void ) const { return _track->y(); }
-    virtual int h ( void ) const { return _track->h(); }
+    virtual int y ( void ) const { return _sequence->y(); }
+    virtual int h ( void ) const { return _sequence->h(); }
 
     /* used by regions */
     virtual int x ( void ) const
         {
-            return  _r->offset < timeline->xoffset ? _track->x() : min( _track->x() + _track->w(), _track->x() + timeline->ts_to_x( _r->offset - timeline->xoffset ) );
+            return  _r->offset < timeline->xoffset ? _sequence->x() : min( _sequence->x() + _sequence->w(), _sequence->x() + timeline->ts_to_x( _r->offset - timeline->xoffset ) );
         }
 
     /* use this as x() when you need to draw lines between widgets */
     int line_x ( void ) const
         {
-            return _r->offset < timeline->xoffset ? max( -32768, _track->x() -  timeline->ts_to_x( timeline->xoffset - _r->offset )) : min( 32767, _track->x() + timeline->ts_to_x( _r->offset - timeline->xoffset ) );
+            return _r->offset < timeline->xoffset ? max( -32768, _sequence->x() -  timeline->ts_to_x( timeline->xoffset - _r->offset )) : min( 32767, _sequence->x() + timeline->ts_to_x( _r->offset - timeline->xoffset ) );
         }
 
     virtual int w ( void ) const
@@ -303,7 +303,7 @@ public:
             else
                 rw = abs_w();
 
-            return min( rw, _track->w() );
+            return min( rw, _sequence->w() );
         }
 
     int abs_x ( void ) const { return timeline->ts_to_x( _r->offset ); }
@@ -315,8 +315,8 @@ public:
     virtual Fl_Color selection_color ( void ) const { return _selection_color; }
     virtual void selection_color ( Fl_Color v ) { _selection_color = v; }
 
-    Sequence * track ( void ) const { return _track; }
-    void track ( Sequence *t ) {  _track = t; }
+    Sequence * sequence ( void ) const { return _sequence; }
+    void sequence ( Sequence *t ) {  _sequence = t; }
 
     nframes_t offset ( void ) const { return _r->offset; }
 //    void offset ( nframes_t o ) { _r->offset = o; }
@@ -329,10 +329,10 @@ public:
     /** convert a screen x coord into an offset into the region */
     nframes_t x_to_offset ( int X )
         {
-            return timeline->x_to_ts( scroll_x() + ( X - _track->x() ) ) - _r->offset;
+            return timeline->x_to_ts( scroll_x() + ( X - _sequence->x() ) ) - _r->offset;
         }
 
-    int active_r ( void ) const { return _track->active_r(); }
+    int active_r ( void ) const { return _sequence->active_r(); }
     virtual nframes_t length ( void ) const { return _r->end - _r->start; }
 
     virtual Fl_Boxtype box ( void ) const { return FL_UP_BOX; }
@@ -344,10 +344,10 @@ public:
             if ( ! (align() & FL_ALIGN_INSIDE) )
             {
                 // FIXME: to better..
-                _track->redraw();
+                _sequence->redraw();
             }
             else
-                _track->damage( FL_DAMAGE_EXPOSE, x(), y(), w(), h() );
+                _sequence->damage( FL_DAMAGE_EXPOSE, x(), y(), w(), h() );
         }
 
     /* just draw a simple box */
diff --git a/Timeline/Tempo_Point.C b/Timeline/Tempo_Point.C
index 62d6d15..a3a0201 100644
--- a/Timeline/Tempo_Point.C
+++ b/Timeline/Tempo_Point.C
@@ -87,7 +87,7 @@ Tempo_Point::handle ( int m )
 
     if ( m == FL_RELEASE )
     {
-        _track->sort();
+        sequence()->sort();
         timeline->redraw();
     }
     return r;