1. Yeah, its pretty common. Many cd players are finicky about the discs they recognize. Sometimes you can find a type of CDR (brand) that will play in your player. Experiment with a few different types. You can tell they are different from the color of the underside of the cd. I dont want to get deep into this, but there are many different types of materials used to make blanks, and you can often find one that works for you.
Also some burners work better than other be it stand alone or inside your computer.
2.Unfortunately, your Kenwood deck is only compatible with a Kenwwod changer,
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