Since the late 1970s, Tom Guerra has been a popular guitarist on the New England club circuit, playing with a host of leading blues, rock n' roll and R&B acts. Influenced by Rory Gallagher, Paul Kossoff, Jimmy Page, Keith Richards, Ronnie Wood, Muddy Waters, Buddy Guy, and Joe Walsh, Guerra first gained notoriety after being featured in Guitar Player magazine (3/91). Over the years, Guerra has recorded or played with Rick Derringer, The Dirty Bones Blues Band', Max Weinberg, Mark Nomad, Sticky Fingers (for which Tom wrote and arranged original music for the group's debut cd), The Easton Brothers with Muddy Waters bassist Charles Calmese, Jai Johanny "Jaimoe" Johanson from The Allman Brothers Band, Second Son, Guitar Shorty, Adolph Jacobs of The Coasters, Kenny Aaronson, and The Delrays, for which he received acclaim from Buddy Guy.
In 1999, he formed Mambo Sons with singer Scott Lawson, based upon a songwriting partnership that dated back to the early 1980s. Their debut album, released in 1999, featured guitar legend Rick Derringer. This twelve-song effort contained both new music as well as songs the two had originally written a decade before, and yet was immediately met with very positive reviews.
Mambo Sons second disc "Play Some Rock & Roll!" (2002) was named top indie release of the year by NYRock magazine, and their third "Racket of Three" was called album of the year in Pattaya Thailand by legendary rock and roll author Mott the Dog. In addition, In 2007, Tom joined the Editorial Board of ToneQuest Magazine following that publication's feature story on him in April of that year.