Fran Cosmo exploded onto the Rock scene when he took over for Brad Delp as the lead singer for the Legendary group BOSTON in 1992. Fran was featured as the lead vocalist on the "WALK ON" Album which sold over a million copies worldwide. Certified Platinum in America and certified Platinum in Canada. Fran's Lead vocals were also featured on four of the songs off the "Corporate America" Album and both of BOSTON'S Greatest Hits. The song "Livin For You" in which Fran also sang lead on, was the only LIVE BOSTON song ever released on the Greatest Hits Albums. Before joining Boston Fran was a highly respected vocalist. His involvement with the band and its members goes back even before the formation of Boston, through his affiliation as both the Lead singer and co-song writer for Both "Orion The Hunter" and Barry Goudreau Albums. The Song "So You Ran" was a big MTV hit and climbed to number #4 on the US billboard Charts. This led to worldwide appearance’s with Aerosmith's "Back in the Saddle" Tour.
The band also features former member of BOSTON, Anton Cosmo. Fran Cosmo a Classic Rock Legend, is a MUST SEE in live performance, and is known for his high energy and outstanding vocals that very few can still perform. 

For Brad Delp to willingly share lead vocals with FRAN and point out in interviews that "FRAN can easily and strongly perform the difficult parts" makes it clear to see why four world tours fronting BOSTON have made FRAN COSMO a classic rock vocalist icon to Rock music fans around the world.