One of rock's legendary voices, Fran Cosmo exploded onto the rock scene when he took over for Brad Delp as lead vocalist with multi-platinum group BOSTON on the album, "Walk On" that sold over three million copies worldwide. The album’s tour was the first of four tours with the band– It wasn’t long before Boston fans around the world took notice to sound and range of his vocals. He captivated the audience at sold out shows. Since 1992 Fran was a member of BOSTON and toured at every major venue across America. Fran's Lead vocals appeared on BOTH Boston's Greatest hits albums in 2006 and 2009. The hit song"I need your Love" and the only live song ever recorded on a Boston album "Livin for You".