Mike Campbell is a singer/songwriter, multi-instrumentalist and composer based out of Brooklyn, NY. He is one of the cowriters of the 2014 Grammy-Award-winning hit “Say Something” by A Great Big World and Christina Aguilera. The song has sold over 6 million copies worldwide. Along with that success, Mike continues to write songs and perform with new, emerging and established artists, writers and producers in New York, Los Angeles and Nashville.