HACKETTSTOWN The songs of Cat Stevens, the Mamas and the Papas, James Taylor, John Denver, and more of the great singer/songwriters of the 60s and 70s will take center stage at the Arts off Main Art Gallery, on Friday, June 12, from 7:30 to 9:30 p.m. The acoustic duo, Jeff & Karen, will bring those musical artists and others of that time to life with their Retro Rewind show, as part of the Music off Main at Arts off Main music series. Arts off Main is located at 128 Willow Grove St., near Route 46 and the Five Points Intersection, in Hackettstown. Tickets for the show are $7 and can be purchased at the door. For more information e-mail firstname.lastname@example.org or call Arts off Main, at 908-684-4278.