An iconic prop used in 1985's "Back to the Future" has been missing for decades. Now, fans are being asked to help find it.

Two irreplaceable instruments owned by members of the rock band Heart were stolen from a venue in New Jersey last weekend, and the musicians offered a reward for information.

Signed by Dap Kings leader Bosco Mann to Daptone Records, this San Diego retro soul trio stepped into the limelight a couple of years ago with appearances on several TV talk shows and NPR’s “Tiny Desk ...