Formed in the working-class enclave of Quincy, Massachusetts, in 1996, Dropkick Murphys emerged from the Boston punk scene to become global ambassadors of Celtic punk, known for their raucous live energy and anthemic songs celebrating solidarity, resilience, and their Irish-American roots. The band's only constant member from its inception, bassist and co-lead vocalist Ken Casey, built the group's foundation on a fusion of traditional folk instrumentation and the aggressive spirit of street-level punk rock. The classic lineup solidified with the addition of co-lead vocalist Al Barr, drummer Matt Kelly, and a cadre of multi-instrumentalists who would weave bagpipes, mandolin, banjo, and accordion into their powerful sound.

After building a formidable local following through relentless touring, Dropkick Murphys signed to the independent punk label Hellcat Records, releasing a series of albums that expanded their reach across the United States and Europe. A pivotal moment arrived in 2004 with the single "Tessie," a raucous homage to a historic Boston Red Sox fan club, which became their first mainstream hit and an enduring sports anthem. Their commercial breakthrough was cemented with the 2005 album "The Warrior's Code," which featured the iconic "I'm Shipping Up to Boston." The song's inclusion in Martin Scorsese's acclaimed film The Departed propelled it to platinum status, introducing the band's music to a vast new audience.

Embarking on a fiercely independent path, the band launched their own Born & Bred Records imprint in 2007. This move coincided with even greater chart success, as albums like "The Meanest of Times," "Going Out in Style," and "Signed and Sealed in Blood" consistently debuted in the Top 20 of the Billboard 200, with the latter featuring the popular singles "Rose Tattoo" and the irreverent holiday staple "The Season's Upon Us." Their intense touring schedule, highlighted by legendary annual St. Patrick's Day concerts in Boston, solidified their reputation as one of punk's most dedicated live acts.

The band entered a new creative chapter in the 2020s. Following Al Barr's hiatus beginning in 2022, Dropkick Murphys released the folk and Woody Guthrie-inspired albums "This Machine Still Kills Fascists" and "Okemah Rising," which featured lyrics drawn entirely from Guthrie's archives. Demonstrating their enduring vitality and collaborative spirit, the band's thirteenth studio album, "For the People," arrived in 2025 and featured a return appearance by Barr. Through decades of evolution, Dropkick Murphys have maintained their core identity as a loud, proud, and working-class band, their music serving as a rallying cry for fans around the world.