Former "American Idol" contestant Constantine Maroulis has left his band to embark on a solo career.

Maroulis, 30, who was in the audience watching the current crop of "Idol" contestants compete Tuesday night, confirmed to People magazine he is no longer with the hard rock band, Pray for the Soul of Betty.

"With all of my solo projects speeding up, we just felt it was time to move on," he said.

The singer said he is currently working on his solo debut and also has a development deal with ABC for a sitcom.