Here's a quandary. On only some discs, the player exhibits a clicking/whirring sound while the disc spins that is sometimes quite annoying. Again, this only affects certain CDs (a minority), but it does so regardless of which of the 6 trays that CD is in. Is this a problem anyone's dealt with before? Is this a 6-CD player issue? I sorta didn't want a 6-CD player, but it was there . . . now I'm wondering if I should have just gotten the 1-CD player + cassette. Any advice or anecdotal info? Thanks.