Caruso's most well-known work "Love Is"[1] was co-written with Tonio K, John Keller; recorded by Vanessa L. Williams with Brian McKnight, and was featured on the Beverly Hills 90210 Soundtrack.

However, Caruso's career included collaborations with many other artists and writers: co-writes with Tamara Champlin and Dennis Matkosky for Chris LeDoux's "Runaway Love" (that appeared on Billboard's Country Music's Top 40)[2] and Rita Coolidge's Shoo Rah.

[3] Caruso's most recorded song was "Guns of Love" (written with Randy Sharp[4] and John Keller) performed by Maura O'Connell, The Moffatts (who performed this on Good Morning America on July 3, 1995, donating proceeds from their release to the families of victims of the Oklahoma City bombing), Pam Rose for her Album " Morpheus", was featured on Grammy Award Winner Kathy Mattea's Album "Roses",[5] by Caruso on his 2011 EP "When The Devil Starts To Pray" and by Randy Sharp on his 2017 Release "Impossible Things".

Later, again as a songwriter, Caruso re-teamed with Tamara Champlin & Dennis Matkosky on a collaboration for Bekka Bramlett "What's on My Mind" that charted on Music Row.

[24] In 2021, Caruso's video "Born With An Accordion", a Caruso/Goss collaboration, was again part of the Arpa International Film Festival and was named audience favorite[25] In addition to collaborations with artists such as Lita Ford, Terri Nunn, Vixen, and Michael LeCompt,[26] Caruso has also worked with the legendary Sammy Cahn, Eric Bazilian, Paul Williams, Dave Berg and Tom Keane.