Herbie Hancock, Barry Manilow, Donna Summer, Diana Krall, Tony Bennett and Stevie Wonder are among the artists who will pay tribute to 2011 MusiCares Person of the Year Barbra Streisand. The cast of the hit show Glee, including Lea Michele, Matthew Morrison and Darren Criss, will also take part in the celebration. Streisand will close out the evening with her own performance.