Headlines.

Roger Waters, Gregg Allman and more.

Roger Waters has been added to the Love for Levon [Helm] concert October 3rd at the Meadowlands Arena in East Rutherford, New Jersey. Also on the bill are Gregg Allman, Joe Walsh, Bruce Hornsby, Jorma Kaukonen and many others.

Gregg Allman will sit in with the Zac Brown Band for two songs Saturday night at the Southern Ground Music and Food Festival in Nashville.

Bruce Springsteen did the tour premiere of "Mansion on a Hill" -- a duet with his wife, Patti Scialfa -- Wednesday night at the first of three shows at Met Life Stadium in East Rutherford, New Jersey. Shows two and three are tomorrow (Friday) and Saturday.

John Lennon's time in Bermuda will be celebrated tomorrow (Friday) with a concert on the island. Joining in will be Heather Nova, Maxi Priest and many others. Net proceeds from the concert will benefit Bermuda charities.

Twisted Sister guitarist Jay Jay French will speak at the 2013 American Atheists National Convention, March 28th to the 31st in Austin, Texas.

The life of the late amplifier maker Jim Marshall and his impact on music will be celebrated Saturday at London's Wembley Arena with a show featuring Joe Satriani, The Cult's Billy Duffy, Zakk Wylde and many others. Marshall died earlier this year.