Jason Mraz and Tristan Prettyman arrive at the MusiCares Person of the Year tribute in Los Angeles

Jason Mraz and Tristan Prettyman arrive at the MusiCares Person of the Year tribute in Los Angeles

Singer Jason Mraz and Tristan Prettyman arrive at the 2011 MusiCares Person of the Year tribute honoring Barbra Streisand in Los Angeles February 11, 2011. UPI/Jim Ruymen