Oh Dear ! Looks like I've made a total mess of the 'IF' song on the 20 for 1 files !
When I transferred the files from hard disc to Floppy for emailing, I did not select the 'ALL' option for the Panel Memories. Since the panel memory set-up for the song was in Panel Memory Bank 6 it did not get transferred to the Floppy and so the correct voices are not in the files. When I checked the floppy, I neglected to Initialise the Performance option so my KN6000 was still set up to point to Panel Memory Bank 6 and the song sounded OK. In future, maybe I should use Banks A,B & C only.
MUST TRY HARDER !
Apologies to all - It doesn't sound too good at all.
Embarrassed ........
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Willum