"I Write Sins Not Tragedies" is a song by the American rock band Panic! At The Disco, released in 2005. The track is known for its catchy melody and theatrical style, blending elements of pop punk and baroque pop. The lyrics tell a story about infidelity and the complexities of relationships, set against the backdrop of a wedding. The song gained significant popularity, reaching high positions on various music charts and earning a Grammy nomination. Its music video, featuring a circus-like wedding scene, further contributed to its success, showcasing the band's unique aesthetic and engaging storytelling.