<Ul> <Li> Ryan Ross </Li> <Li> Spencer Smith </Li> <Li> Brent Wilson </Li> <Li> Jon Walker </Li> <Li> Dallon Weekes (currently a touring member) </Li> </Ul> <Li> Dallon Weekes (currently a touring member) </Li> <P> Panic! at the Disco is an American rock band from Las Vegas, Nevada, formed in 2004 and featuring the current lineup of vocalist Brendon Urie, accompanied on tour by bassist Dallon Weekes, guitarist Kenneth Harris and drummer Dan Pawlovich . Founded by childhood friends Ryan Ross, Spencer Smith, Brent Wilson and Urie, Panic! at the Disco recorded its first demos while its members were in high school . Shortly after, the band recorded and released its debut studio album, A Fever You Can't Sweat Out (2005). Popularized by the second single, "I Write Sins Not Tragedies", the album was certified double platinum in the US . In 2006, founding bassist Brent Wilson was fired from the band during an extensive world tour and subsequently replaced by Jon Walker . </P> <P> Influenced by 1960s rock bands the Beatles, the Zombies and the Beach Boys, and preceded by the single "Nine in the Afternoon", the band's second studio album, Pretty . Odd. (2008) marked a significant departure from the sound of the band's debut . Ross and Walker, who favored the band's new direction, departed because Urie and Smith wanted to make further changes to the band's style . The duo subsequently formed a new band, The Young Veins, leaving Urie and Smith as the sole remaining members of Panic! at the Disco . </P>

How long have panic at the disco been together
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