Tonic is an American rock band, formed in 1993 by Emerson Hart and Jeff Russo. Later members have included Dan Lavery, Kevin Shepard, and Dan Rothchild. Signed to a recording contract in 1995, the band released its debut album Lemon Parade in 1996. The single "If You Could Only See" reached No. 11 on the Billboard Airplay Hot 100 in 1997, and Lemon Parade itself reached platinum status.