I use Studio One for my DAW. It can take a track with imbedded tempo information and ‘stretch’ the track to fit any tempo. I can help you with that if you use Studio One, but I expect most DAW’s will have that ability. Worth noting that if you stray too far from the imbedded tempo, it will start to sound ‘NOT’ like a conga any more. Hope that helps. Take Care!
The only way a conga will not sound like a conga is if you are time stretching audio. This goes for any kit piece and Audio. MIDI is just a numerical representation. As far as tempo goes, MIDI on a track will conform to whatever tempo your DAW is playing at as long as follow host is on.
As far as
so I need to open another SD3
or can I just use a midi track and use the one with drums and use different midi channels ?
The answer is… yes! IOW, there are no rules or best practices in this case. If you’re using a DAW like Logic, and you use the latter, you don’t need another MIDI channel on a separate MIDI track for the same instrument channel.
As far as creating the halftime groove in MIDI, it depends which method you use. In SD3, you can use the Half Tempo option in the Grid Editor for the region. DAWs like Logic support time stretching MIDI by option-dragging the region to whatever length you want. However, YMMV.
