He has been a member of Mambo Sons and Dirty Bones Band, has appeared as a guest on recordings by other notable artists, and has released albums under his own name.
His primary influences include Rory Gallagher, Paul Kossoff, Jimmy Page, Keith Richards, Ronnie Wood, Muddy Waters, Buddy Guy, and Joe Walsh.
[13] He also turned to topical songwriting: his 2012 song "Love Comes to Us All" addressed the Sandy Hook Elementary School shooting and was praised by several Connecticut politicians.
According to Guerra, the purpose of the song is to bring attention to the U.S. Government's refusal to list the names of those 74 servicemen on the Vietnam Veterans Memorial.
"[16] The video for the title track features guest appearances from a number of rock notables, including Hilton Valentine, Dan Baird, Christine Ohlman, G.E.
In June 2024, Guerra released a new single with his core lineup of Aaronson and Kosacek, called “Television Dreams” with Jon Butcher on lead guitar.