Def Leppard, the iconic British rock band formed in Sheffield, England, in 1977, has left an enduring legacy in the history of rock music with their distinctive sound, anthemic hits, and resilience in the face of adversity. The band's original lineup consisted of Joe Elliott (vocals), Rick Savage (bass), Rick Allen (drums), Pete Willis (guitar), and Steve Clark (guitar), with Phil Collen later joining as a guitarist.

Def Leppard gained international fame with their third album, "Pyromania," released in 1983. The album, produced by Robert John "Mutt" Lange, featured hit singles such as "Photograph," "Rock of Ages," and "Foolin'," propelling the band to the forefront of the 1980s rock scene. "Pyromania" went on to sell over 10 million copies in the United States alone and is considered one of the defining albums of the era.

In 1987, Def Leppard released "Hysteria," their fourth studio album, which further solidified their status as rock superstars. Despite challenges, including drummer Rick Allen's near-fatal car accident in 1984, which resulted in the amputation of his left arm, the band persevered and crafted an album that produced seven hit singles, including "Pour Some Sugar on Me," "Love Bites," and "Hysteria." The album's groundbreaking use of layered guitars, synthesizers, and catchy hooks set a new standard in rock music production.

Throughout their career, Def Leppard has sold over 100 million records worldwide, making them one of the best-selling music artists of all time. They have released a string of successful albums, including "Adrenalize" (1992), "Retro Active" (1993), and "Euphoria" (1999), each showcasing their ability to evolve while staying true to their hard rock roots.

Def Leppard's influence extends beyond their chart-topping hits. They have been pioneers in music video production, with innovative clips for songs like "Pour Some Sugar on Me" and "Let's Get Rocked" becoming staples on MTV during the 1980s and 1990s. Their live performances are renowned for their energy, precision, and ability to connect with audiences of all ages.

The band's accolades include multiple Grammy Awards, induction into the Rock and Roll Hall of Fame in 2019, and recognition for their contributions to music and popular culture. Def Leppard's enduring appeal lies in their ability to craft timeless rock anthems that resonate with generations of fans, solidifying their legacy as one of the greatest rock bands in history.