Rewind 103.5/104.3 – WNND – The Best Throwback Hits Rewind 103.5/104.3 is WNND, where you’ll find the greatest throwback hits. Rewind 103.5/104.3 – WNND: Playing only the best music from Ann Arbor’s past. Enjoy some of the best music from the ‘70s, ‘80s and ‘90s on Rewind 103.5/104.3 – WNND. Rewind lets you find songs that are always in style, whether you’ve heard them before or are listening for the first time. With all-time rock and pop classics, we deliver fast-paced and positive energy that doesn’t stop all day. Go on the airwaves, set it high and Rewind the wonderful music on WNND.