There are multiple artists with this name 1. Tonic is an American rock band formed in Los Angeles, California in 1993 that has earned two Grammy nominations to date. Originally founded 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 their debut album Lemon Parade in 1996. The single "If You Could Only See" reached #11 on the Billboard Airplay Hot 100, and Lemon Parade itself reached platinum status.