Fran Cosmo (born Francis Cosmo Migliaccio; October 17, 1956) is an American musician best known as a former lead singer of the bands Boston and Orion the Hunter.Cosmo was first featured on guitarist Barry Goudreau's self-titled solo album in 1980, a prelude to the formation of Orion the Hunterin 1983. Orion the Hunter released an album in 1984 on Columbia Records, which yielded the hit single "So You Ran." The band opened for Aerosmith in 1984.In 1994, Cosmo was featured as the sole lead vocalist on the platinum Boston album Walk On, which reached #7 on the Billboard Charts and produced three hit singles, including "I Need Your Love", which climbed to #4 on the Mainstream Rock Chart, and "Walk On" which reached #14.