dmidiplayer

Multiplatform MIDI File Player for Linux, Windows and macOS with advanced features:

• MIDI Output to hardware MIDI ports, or any other Drumstick backend like soft-synths
• Transpose song tonality between -12 and +12 semitones
• Change MIDI volume level (using MIDI CC7)
• Scale song speed between half and double tempo
• Piano Players, MIDI Channels, Rhythm, and Lyrics (Karaoke) views
• Supports .MID (Standard MIDI files), .RMI (RIFF RMID), .KAR (MIDI Karaoke), and .WRK (Cakewalk) file formats