Billy Idol, Bret Michaels, Styx’s Tommy Shaw, and others will raise funds for struggling music professionals.
The Sweet Relief Musicians Fund and 'Big Love Benefit Concert' will take place Saturday, January 23, at 6pm (PT)/9pm (ET).
The band's new digital archive will include special installations covering the band’s history from 1977 up to the present day.
Other big names such as Queen's Roger Taylor, AC/DC's Phil Rudd and Foo Fighters/Nirvana star Dave Grohl were also in Music Radar's Top 10.
Scientists Cristina Rheims has also named South American arachnids after Iron Maiden, Scorpions and Angra.
The band asked fans to submit videos of themselves singing along to the song for inclusion in the heartwarming new clip.
Both the new greatest hits collection and the 'Hysteria Singles Box' are slated for release on 30 November.
Def Leppard drummer Rick Allen is to showcase his jewellery and art collections at two events in New Jersey and Pennsylvania this weekend
Sheffield rockers Def Leppard are planning a 60-date tour of North America for 2018, strongly rumoured to be a co-headliner with Journey