30 Seconds on Radio 1 Big Weekend set in Londonderry
29 May 2013 Last updated at 11:19 BST
30 Seconds to Mars have been speaking about their set at Radio 1's Big Weekend.
The US band said they felt they had a "really good relationship" with the crowd in Londonderry. During the set they brought a group of fans on stage with them.
Frontman Jared Leto also told Newsbeat's entertainment reporter Chi Chi Izundu about the band's plans for the next few months.
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