4 tracks, 2 at once, no drums, no FX6 tracks, 2 at once, no drums, no FX8 tracks, 2 at once, no drums, no FX8 tracks, 2 at once, no drums, some FX8 tracks, 2 at once, with drums, many FX16 tracks, 8 at once, no drums, many FX24 tracks, 8 at once, with drums, many FX8 tracks, 2 at once, with drums, several FX8 tracks, 4 at once, with drums, many FX16 tracks, 8 at once, with drums, many FXReaper, digital audio workstationhttp://www.amazon.co.uk/dp/1598638815 17