There are many artists that use the name Rochelle:

1) Rochelle Perts (artist name; Rochelle) a Dutch Artist who won the fourth season of the popular Dutch show X-Factor in 2011. Her first single, No Air (a cover of Jordin Sparks), peaked the Dutch iTunes charts within the first day. Her second single, Stronger, was released a few days after the release of No Air and peaked the Dutch iTunes charts within a few days.

2) Rochelle is a Dance project from United Kingdom.