Kevin Moore is an American keyboardist, composer and the founder of the Chroma Key music project. He is also a former member of the American progressive metal band Dream Theater, co-founder of the progressive rock supergroup O.S.I., and a composer of film soundtracks. Throughout his career, he has become known for his emotional music and lyrics, nomadic lifestyle and use of spoken word samples.

Dream Theater is an American progressive metal band formed in 1985 in Boston, Massachusetts. The band comprises John Petrucci (guitar), John Myung (bass), Mike Portnoy (drums), James LaBrie (vocals) and Jordan Rudess (keyboards).