02 Apr 2018 methodred MIDIPlayer X, Reviews Tags: macappstore, midiplayerx, uk Leave a comment Thank you for the music ★★★★★ Got hold of an ancient Roland Atelier with misbehaving screen and wanted to check the midi. Sibelius wouldn’t output to it. Quick Time doesn’t work any more, why? Most other programs use Mac sound sources. MidiplayerX to the rescue. Only one crash so far. Phlop Share on Facebook Share on Twitter Share on Google Plus Share on Pinterest