Panic! At The Disco is an American rock band formed in 2004 in Las Vegas, Nevada. Originally a pop-punk outfit, they gained fame with their debut album, 'A Fever You Can't Sweat Out,' which featured the hit single 'I Write Sins Not Tragedies.' The band's theatrical style and eclectic sound have evolved over the years, leading to a more mature pop-rock direction. With various lineup changes, frontman Brendon Urie has remained the constant driving force behind the band. Their later albums, like 'Death of a Bachelor' and 'Pray for the Wicked,' showcased Urie's vocal range and songwriting prowess, solidifying their place in modern rock music.