<P> Lee Eugene Michaels (born Michael Olsen, November 24, 1945, Los Angeles, California) is an American rock musician who sings and accompanies himself on organ, piano, or guitar . He is best known for his energetic virtuosity on the Hammond organ, peaking in 1971 with his Top 10 pop hit single, "Do You Know What I Mean". </P> <P> Michaels began his career with The Sentinals, a San Luis Obispo, California - based surf group that included drummer Johny Barbata (later of The Turtles, Jefferson Airplane and Jefferson Starship). Michaels joined Barbata in the Joel Scott Hill Trio, a group led by guitarist Joel Scott Hill . Michaels later moved to San Francisco, where he joined an early version of The Family Tree, a band led by Bob Segarini . In 1967, he signed a contract with A&M Records, releasing his debut album, Carnival of Life, later that year with David Potter on Drums . As a session musician, he played with Jimi Hendrix, among others . </P>

Who sings the song do you know what i mean