No rules - traditions yes
Quinto traditionally used as rumba solo drum. But many use it lots of other places.
various sizes of congas [used in the generic name sense - not the specific drum] used in many combinations in all the genre's listed and more. Traditional pairing is conga/tumba - lots play with two, lots with 3,4,5 more tuned to different intervals.
No rules - learn rudiments on one first
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