FILE - In this Jan. 9, 1997 file photo, Jazz bassist Charlie Haden laughs with bandmates during a soundcheck at the House of Blues in West Hollywood, Calif. Pat Metheny, Josh Redman and other jazz stars turned out for a memorial concert to celebrate the music and life of Haden, one of the most influential bassists in jazz history. Singer Ruth Cameron Haden, who hosted the gathering on Tuesday night, Jan. 13, 2015, at Town Hall, said her late husband made it his life mission "to impart and bring beauty to the world" through his music. (AP Photo/Chris Pizzello, File)