getting sponsorships means being able to create ever better compositions, and maximizing the chance of winning the championship, and so returning the next year - furthermore, many of the schools in the special group invite high-profile guests and celebrities to be part of the parade, usually sitting on the floats.

on the other hand, brazilian and carioca stars are usually part of the show as queens or dancers - gaining media exposure and in return contributing to the status of the samba school they represent.

for several weeks prior to the parades local magazines give detailed accounts of who is who in the parades, how, and why they will be part of a schools rather than another.