fix conversion

JlSonic/api.jl

@@ -519,7 +519,7 @@ function giveconverted(file, bitrate, format)
     suffix = format
     mime = suffix in keys(Mux.mimetypes) ? Mux.mimetypes[suffix] : suffix
     headers["Content-Type"] = mime
-    headers["Content-Length"] = length(data)
+    headers["Content-Length"] = string(length(data))
     return Dict(:body => data, :headers => headers)
 end
 
@@ -542,6 +542,8 @@ function stream(req::Dict)
         isa(e, ArgumentError) && 0
         @error e
     end
+    # Ogg is not compativle with lower bitrates. Use something else?
+    bitrate = bitrate < 64 ? 64 : bitrate
     format = get(query, "format", "oga")
 
     songs = Beets.songs()