Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/save/CaledonianMusicalRepository.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80705-CaledonianMusicalRepository.ps) >>/Users/jc/w/tmp/Tune-80705-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/save/CaledonianMusicalRepository.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-80705-CaledonianMusicalRepository.abc 368 ABC music file with the extracted tune(s)
Tune-80705-CaledonianMusicalRepository.ps 6 PostScript
Tune-80705-CaledonianMusicalRepository.txt 368 Plain-text file with the extracted tune(s)
Tune-80705-TocherBand.abc 180 ABC music file with the extracted tune(s)
Tune-80705-TocherBand.pdf 2217 Portable Data Format
Tune-80705-TocherBand.ps 6 PostScript
Tune-80705-TocherBand.txt 180 Plain-text file with the extracted tune(s)
Tune-80705-get.log 12894 Log file, useful mostly for debugging
These files should be available for 24 hours.