The undesired transfer of recorded signal from one layer to another of the recording medium when these layers are stored on spools.
"Chris - Just got the CD, it is really good. I have to listen closely to hear even a bit of digittized sound. The Roger Wagner Chorale and it's music is long gone. I was not able to get anything on them, and I looked pretty good. You have truly resurrected this album. I have a couple more I will send as soon as I can get them packed up. Thanks ..."