Trey's one of many celebs guesting on Herbie Hancock's new album, Possibilities (Vector Recordings), which (along the lines of Carlos Santana's Supernatural and Ray Charles' Genius Loves Company) also features Santana, Paul Simon, Sting, Annie Lennox, John Mayer, Christina Aguilera, Jonny Lang, Damien Rice, Joss Stone, and Raul Midon. Check out this video of Trey and Herbie in the studio. The album will be released at Starbucks Company-operated locations and traditional retail stores by Hancock Music, Vector Recordings and Starbucks Hear Music beginning 8/30/05.