He began television composing in 1996 when he started working with the news music company Gari Communications.

Corta el Pelo (Sebastian Arcelus) A Friend is a Friend (Geoff Byrd) Once You Get to Know Them (Kel Mitchell) A Special Shining Star (Cindy Herron) A Colorful World (Smokey Robinson) After a long working relationship with the rock band Pablo Cruise's founding member Cory Lerios, Gabriel and Lerios began playing with founding member and drummer Steve Price in the fall of 2004.

In 2004 Lerios and Price rejoined Pablo Cruise and Gabriel replaced original member Bud Cockrell on the bass.

In Pablo Cruise, Gabriel played alongside the Little River Band, Starship, The Beach Boys, The Doobie Brothers and Journey.

In 2009, Gabriel released his first solo album, titled Everyday Miracles, available on iTunes and other digital music delivery sites.