Why did Evanescence break up?

Answer 1

its was due to James iha wanting to write more songs in the band

billy told a few people that it was his band his music and there was no room for his songs

James left as well as darcy cuz she sided with him

Answer 2

They aren't breaking up. Amy Lee needed some time with her husband. But they have reformed and they released a new album in October of 2011.

Answer 3

A rumour is that he had a fight with Billy one night, the day after he had packed his bags and quit the contract.