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What was happening in 1977 for Def Leppard?
Rick Savage, Tony Kenning, and Pete Willis, all students at Tapton School in Sheffield, South Yorkshire, formed a band called Atomic Mass in 1977.
Did Atomic Mass turn into Def Leppard?
Joe Elliott proposed the name Deaf Leopard which was originally a band name he thought up while writing reviews for imaginary rock bands in his English class.
Why did Atomic Mass change their name to Def Leppard?
What year did the name change from Atomic Mass to Def Leppard happen?
Atomic Mass changed its name to Def Leppard in 1977.
What did Def Leppard do after the name change from Atomic Mass?
Def Leppard's debut album, On Through the Night, was released on 14 March 1980.

Question: How was that received by the public?
Self-contained rewrite: How was On Through the Night by Def Leppared received by the public?