What is the name of the singer who was born April 12, 1987 and was part of the band who released the single "I Write Sins Not Tragedies"?
Panic! at the Disco:  Popularized by the second single, "I Write Sins Not Tragedies", the album was certified double platinum in the US. Brendon Urie: Brendon Boyd Urie (born April 12, 1987) is an American singer, songwriter, musician and multi-instrumentalist.
i don't know