[9] As a teen he would sing jingles for television and radio by day and at night he'd work with local bands alongside his brother, who was a drummer.

[3] While attending school he began focusing more on music,[9] and wrote over 100 jingles for local and national advertising campaigns.

[3] King wrote music, played keys and performed vocals for the band, which he has described as having a glam rock style with epic pop ballads.

[5] In the early 1990s the Human Factor disbanded and King moved back to Chicago[9] and secured a role as a staff writer and musician for River North Records.

He became a session singer and wrote the rock opera Sins of the Father, staged by the Winston-Salem Repertory Company in North Carolina.

[10][11][12] On New Years 2010 the band performed at the wedding of NASCAR driver Kyle Busch and Samantha Sarcinella in Chicago and was featured in People Magazine and on the Style Network.

[2] In 1998, Larry created MFO Entertainment Group, under which Soleil Moon achieved great success competing with artists such as Celine Dion, Michael Bolton and Toni Braxton on the Adult Contemporary radio charts.

[5] Among the studio musicians enlisted to participate in the project were the London Symphony Orchestra, session guitarist Michael Thompson, Paul Jackson, Jr., saxophonist Warren Hill, percussionist Lenny Castro, drummer Kenny Aronoff of John Cougar Mellencamp, and Todd Sucherman of Styx.