Does reel-to-reel have sound?
By writing the exact same audio signal across more tape, reel-to-reel systems provide a greater fidelity than audio cassette. But (there's always a but, right?), R2R's better sound quality comes at the cost of much, much larger tapes, which in turn paves way to less convenience and more expensive media.
Are reel-to-reel tapes 2 sided?
There are only two channels recording simultaneously in a single direction. There is no Side"B". Since the format uses the entire area of tape to record the two tracks, it offered the best sound quality.