What is Def Leppard?
{{Infobox musical artist <!-- See Wikipedia:WikiProject Musicians --> | name = Def Leppard | background = group_or_band | image = Def_Leppard_2018.jpg | alt = The band members seated in a tight circle | landscape = yes | caption = Def Leppard in 2018. From left to right: [[Phil Collen]], [[Vivian Campbell]], [[Joe Elliott]], [[Rick Savage]], and [[Rick Allen (drummer)|Rick Allen]]. | origin = [[Sheffield]], [[South Yorkshire]], England | genre = {{hlist|[[Hard rock]]<ref>{{cite web|last=Thomas Erlewine|first=Stephen|title=Def Leppard Biography|url=http://www.allmusic.com/artist/def-leppard-mn0000193320/biography|website=[[AllMusic]]|accessdate=15 April 2014}}</ref>|[[heavy metal music|heavy metal]]<ref>{{cite magazine|title=Def Leppard Biography|url=https://www.rollingstone.com/music/artists/def-leppard/biography|magazine=[[Rolling Stone]]|publisher=[[Simon & Schuster]]|accessdate=15 April 2014|archiveurl=https://web.archive.org/web/20180121184427/https://www.rollingstone.com/music/artists/def-leppard/biography|archivedate=21 January 2018}}</ref>|{{nowrap|[[glam metal]]}}<ref>{{cite web |author=Guitar World Staff |title=Top 20 Hair Metal Albums of the Eighties |url=http://www.guitarworld.com/top_20_hair_metal_albums_of_the_eighties?page=0,0 |work=[[Guitar World]] |accessdate=15 April 2014 |url-status=dead |archiveurl=https://web.archive.org/web/20121004060642/http://www.guitarworld.com/top_20_hair_metal_albums_of_the_eighties?page=0%2C0 |archivedate=4 October 2012 |df=dmy }}</ref><ref>{{cite web|last=Rhodes|first=Paul|title=Glam Metal 101|url=http://classicrock.about.com/od/newreleases/a/101_glammetal.htm|publisher=[[About.com]]|accessdate=15 April 2014|archive-date=29 April 2008|archive-url=https://web.archive.org/web/20080429042652/http://classicrock.about.com/od/newreleases/a/101_glammetal.htm|url-status=dead}}</ref><ref>{{cite web|first= Mike |last= McPadden |title= The Hair Metal 100: Ranking the '80s Greatest Glam Bands—The Final