Deryck Whibley
Sum 41 frontman Deryck Whibley defied doctor's orders to perform a gig at the weekend (07-08Aug10) - just two days after he was attacked in a bar brawl in Japan.
The rocker was admitted to hospital after he was assaulted by three people during a night out on Thursday.
He received treatment for a slipped disc but refused to let his injuries keep him from performing sets with Sum 41 at the Summersonic Music Festival in Osaka on Saturday and Tokyo on Sunday.
A statement issued by the band on Saturday reads: "Despite doctor's instructions, he has decided to play today's show at Summersonic regardless." Japanese authorities are believed to be investigating the attack.
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