"But it is very confusing as the 1980 songs that are stored have no names only numbers like 11907.CMP. Did you have the hard drive option too? How did you manage without song names?
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Alan, look for a file with the extension .ttx. For example 11907.cmp would be listed close to 11907.TTX. If you look at the .ttx file with an editor (Word Pad will do it) it will contain the name of the song that is associated with files starting with 11907. That is where the 24 character song names were placed by the KN5000 hard drive software.