I roto i te January 1978, Steve Clark piri ki te rōpū. E ai ki Elliott, angitu ia i te whakamātautau mo te rōpū i te tākaro Lynyrd Skynyrd o "Free Bird" i roto i tona katoa. I roto i te marama o Noema, tika i mua i te recording ngā mo te aha e kia waiho i te toru- waiata tuku mohiotia rite te Def Leppard E.P., whakarere ohorere Elliott te rōpū; ka hanga ia i muri i te rōpū Cairo. whakakapi ia mo te hunga ngā e Frank Noon. I te mutunga o te marama, ka Allen, anake 15 tau te pakeke, i uru ki te rōpū i roto i te tikanga ki te hanga i te ingoa iti ake rite ki te o te rōpū punk. I roto i te pukapuka o te BBC Radio 1 o 1979, i riro ia i a ratou i roto i te mahi nui i roto i te mana o te puku mārō, a ka riro i a ratou i roto i te tahi atu i te tahi i muri i te rangatira o te puku mārō.
Ko Rick Allen