Jessica Biel and Justin Timberlake
09/28/2009 at 08:25 PM EDT
When Jon Biel wanted to enlist some help for a music charity for underprivileged New York children, he knew just where to turn: daughter Jessica
's boyfriend: Justin Timberlake
Through Jon Biel, the pop star saw a newspaper story about Ten O'Clock Classics, which provides lessons and instruments, and agreed to autograph a baby grand piano to be sold at a Sept. 29 auction.
"He cares about music education and wants to make sure these kids can continue to have music lessons," says Ronen Segev, founder of the non-profit, which also received a signed piano from Billy Joel and is working with other celebrities. "They listen to his music and they connect with him. He is the inspiration for their love of music."