Born in Sicily in 1953, got his first Jazz gig at the Rome MUSIC INN jazz club.
1974 sees the beginning of a collaboration with "NAPOLI CENTRALE", an Ethno Jazz-Rock band with several albums out and about 500 concerts performed during two years span ; worth mentioning the opening for WEATHER REPORT and DUKE COBAHM BAND in Rome 1975 and an appearance at the Swiss MONTREUX JAZZ FESTIVAL.
After various studio sessions and a tour with EUGENIO FINARDI (1976), Guarnera moves to Los Angeles in 1977 refinishing his musical skills studying arrangement, composition, orchestration and film scoring at the GROVE SCHOOL, located at that time in Studio City Los Angeles CA, under the direction of masters as Dick Grove, Jack Eliot, Albert Harris, Jack Smalley, Allyn Ferguson, Mundell Lowe, Roger Kellaway, Clare Fischer.
In 1983 Guarnera is back in Rome, Italy to participate to the TV show MISTER FANTASY on national channel RAI 1. In 1985 moves to Bologna starting a collaboration with Blues artists Andy Forest and Billy Gregory paying another visit to the MONTREAUX JAZZ FESTIVAL.
A tour with Enzo Jannacci during 1987 and 1988 ends in a TV show on RAI 2 with Dario Fo`- Franca Rame and Jannacci. Again on tour in 1991 with Neapolitan singer Edoardo De Crescenzo and brazilian percussionist Nanà Vasconcelos.
In 1991 Guarnera joins the RUDY ROTTA BAND which collects performances at many european blues and jazz festivals as : Gaildorf, Lugano, Fribourg, Locarno, Montreux, Leipzig, Dresden, Hohentwiel, Sanremo Blues, Pistoia ...The MEDITERRANEAN BLUES CRUISE with John Mayall’s Bluesbreakers, Marcia Ball, Little Charlie and the Nightcats, Buckwheat Zydeco, Louisiana Red, John Mooney and USA as well at the KANSAS CITY BLUES & JAZZ FEST con Jay McShann, Al Green e Taj Mahal, historical blues clubs as The Grand Emporium in Kansas City and Rosa's in Chicago, performing and recording with Carey Bell, Lovie Lee, Jeann Carroll, Sugar Blue, Karen Carroll, Luther Allison, Lowell Fulson, Billy Brunch, Zora Young, Coco Montoya, Maria Muldaur, Corey Harris and many others. During the 2000 decade starts new collaborations, BLUE TRAIN TRIO with Jimmy Villotti and Vince Vallicelli , the trio MEMPHIS ON STHEROIDS (Green Onions), Antonio Gramentieri and Matteo Monti and not to forget the MAGIC TRIO with James Thompson and Vince Vallicelli plus some other tours with the jazz singer Harriet Lewis. A participation to the Dubai International Jazz Festival with guitarist Enrico Crivellaro. The following is a long series of collaborations with Jono Manson, tours with Sax Gordon Beadle, Chris Cain, Guy King, Peaches Staten, J.W. Williams, Katherine Davis.
Discography includes Tolo Marton "Quarantasuonati", AndyForest "Cat On A TinHarp" "Grooverockbluesfunk'n'roll", furthermore DIABOLIC LIVE, SO` DI BLUES , LIVE IN KANSAS CITY and BLURRED with the Rudy Rotta Band, SUGARVILLE with Green Onions, “The Night the Mòjo Stood Still” with the Magic Trio renamed as “FEARLESS GUMBO”, "ANIMA BLUES" a blues project with Eugenio Finardi, "SPINNIN' THE BLUES" under his own name, "SAX GORDON LIVE AT NAIMA" and countless studio session at Hammond Organ and piano with among others Alberto Solfrini, Ligabue, Gianna Nannini, Stadio , Grignani and Timoria.