JAZZ++ is a full featured, audio capable midi sequencer for Windows and Linux that offers a lot of functions normally only found in expensive commercial sequencer software.

Features of JAZZ include:

• 2 main windows displaying tracks and single midi events
• Record/Play
• Powerful and easy event editing
• Volume - pan - chorus - reverb - program - name .. per track
• Trackstatus: mute - solo - play
• Quantize
• velocity
• notelength
• transpose
• copy
• replicate
• erase
• merge
• move
• meterchange
• Load/save midi standard files & format 1
• Multiple undo
• Graphical edit of pitch - velocity - modulation controllers
• Support for all 317 GS sounds (not only the 128 GM sounds)
• Mixer window (slider control of volume, pan, chorus, reverb)
• Altering of sounds (cutoff frequency, resonance...) - vibrato - pitch wheel sensivity/actions, modulation depth/actions, after touch actions
• Setting of part mode
• Partial reserve editing
• GS Reset
• Individual drum instrument parameter editing (reverb, pan, chorus, pitch)
• Context specific help on all windows and dialogs
• Graphic 'toolbar'
• Support for MTC and Midi songpointer synchronization
• FSK tape sync support (in MPU-401 mode if supported by interface card
• Random Rythm Generator with file load/save
• Load/save of patterns (e.g. a drum groove)
• 'Plug-and-play' installation program for MS-Windows
• Linux drivers for MPU-401 (intelligent mode) and VoxWare (Hannu Savolainen's /dev/sequencer2)