Ruggiero is best known for his working-class roots, political radicalism, fiery personality and unique style of ska, punk rock, blues and rock music. He has played in bands like The Nods, SKAndalous All-Stars, Stubborn All-Stars, The Silencers, Da Whole Thing, David Hillyard and the Rocksteady 7, Crazy Baldhead Sound System, Victor Rice Octet, Sic & Mad, Tremoflex9000 and more. His guest appearances include famous artists like Rancid, The Transplants or Roger Miret and the Disasters. He has been seen playing many different kinds of organs, such as Roland VK-7, Roland VK-8 and Roland VK-09, Korg CX-3, Hammond XB-1G, Hammond XK-2, Rheem Mark 7 as well as a Rhodes Piano.