Editor's Note: First Notes is a weekly update of recent happenings in the world of music.
* The Jesus Christ Superstar tour, including a June 11 performance at Time Warner Cable Arena, featuring John Lydon and Michelle Williams has been canceled.
* The Allman Brothers have announced their final shows - a string of dates in New York City.
* After making critical comments in a Rolling Stone article, Jack White has now apologized to the Black Keys and Meg White for what he said.
* Chris Brown was released from prison after serving three weeks of a 131-day sentence.
* USA Today reported that Trent Reznor is leaving Beats Music, but the singer claims he hasn't.