What is i write sins not tragedies about?

"I Write Sins Not Tragedies" is a song by the American rock band Panic! at the Disco. It was released as the lead single from their second studio album, "A Fever You Can't Sweat Out", in 2006. The song's lyrics tell the story of a groom who discovers his bride cheating on him on their wedding day. The title refers to the groom's job as a writer for the circus, but also implies that the groom's personal life is filled with drama. The song became a massive hit, receiving widespread radio airplay and earning Panic! at the Disco their first top 10 hit in the United States. It also helped to establish the band as one of the leading acts in the emerging emo and pop-punk genres.