Although there is no “perfect” rosin for everyone, nor every repertoire, this is the model that I think is closest to the model i like the most 

recommended for solo players 

*can be used for violin, viola and cello

IN THE ORDER OF INTENSITY (concentration level)

RECITAL → EXCLUSIVE/LIMITED → SUPÉRIEURE → JC/RINFORZO

CONCERTO → CONCERTO CADENZA → NOIR SUPÉRIEURE → NOIR → NOIR EXTREME → PERSONAL MODEL