Q Midi to QMidiPro

From QMidi Help:

QMidi Key Features

• Supports MIDI formats 0 and 1 and any audio/video format supported by OS X Core Audio or QuickTime.
• Native support for FLAC files.
• Plays MIDI karaoke, MP3 ID3 lyrics, CDG, movie karaoke.
• External text and chords display/edit/synchronization/merge.
• LRC format reading and exporting. ChordPro exporting.
• Multi-page PDF files display and synchronization.
• Time stretch, pitch transpose, chord transpose with the ability to export changes.
• Text karaoke and CDG to movie conversion.
• Music library and playlist documents.
• Supports many foreign text encodings.
• Karaoke text formatting with custom background image.
• Remote transport using MIDI messages and AppleScript.
• Display karaoke on mirror window (second screen).
• MIDI mixer, GS effects. MIDI Thru.
• Supports OS X Core MIDI devices and Apple DLS Music Device (SoundFonts).

QMidi Pro additional features

• Play audio/video and MIDI in sync.
• MTC (MIDI Time code) sync.
• Crossfade your MIDI, audio and video files.
• Metronome with precount and user specified audio channel output.
• Ability to manually preload the next song.