Thanks to the new Scale Based Sequence I was eventually able to compose a Latin (mambo) tune with no effort 
Scaler-State_2022-10-29_220536.xml (12.7 KB)
Here is the simple routing
The percussions
The piano (driven by Scaler 2.7)
and the bass (created with audiosender on the piano track, then improved with a proper mambo pattern)
and here is the resulting (raw) tune 2.7 Latino