Def Leppard with Journey and Heart

Def Leppard, formed in Sheffield in 1977, are iconic for their blend of glam rock and pop ballads. Notable albums include "Pyromania" and "Hysteria," with major hits like "Pour Some Sugar on Me." Despite challenges, such as drummer Rick Allen's accident, they remained successful, producing chart-toppers and consistently touring. They collaborated with notable figures like producer Mutt Lange and recently worked with Alison Krauss. The band, known for its melodic metal and MTV success, earned numerous awards and remains a heavy metal legend today.

Heart, formed by Ann and Nancy Wilson, is a Rock and Roll Hall of Fame-inducted band known for pioneering female-fronted rock. Selling over 35 million records, Heart boasts 4 Grammy nominations and a Hollywood Walk of Fame star. They influence rock, metal, hip-hop, and pop, with sampling by Eminem and covers by Céline Dion.