Sheryl Crow and Doyle Bramhall IISinger Sheryl Crow officially stepped out with her new boyfriend, fellow musician and producer Doyle Bramhall II on Wednesday, when the couple attended the Society of Memorial Sloan-Kettering Cancer Center's 2011 Spring Ball in New York.

According to PEOPLE, Bramhall is currently playing in Crow's touring band and co-produced her last album, '100 Miles from Memphis.'

"They've known each other for a really long time but it only turned romantic recently," a source told PEOPLE. "She's really happy. He's a really great guy."