Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book24/Thompson_V1_1751-1757_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3211-Thompson_V1_1751-1757_FTM.ps) >>/Users/jc/w/tmp/Tune-3211-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book24/Thompson_V1_1751-1757_FTM.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_32110.log 288545 Log file, useful mostly for debugging
Tune-3211-Thompson_V1_1751-1757_FTM.abc 164 ABC music file with the extracted tune(s)
Tune-3211-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-3211-Thompson_V1_1751-1757_FTM.txt 164 Plain-text file with the extracted tune(s)
Tune-3211-get.log 4395 Log file, useful mostly for debugging
Tune-32111-get.log 1386 Log file, useful mostly for debugging
Tune-32113-get.log 3730 Log file, useful mostly for debugging
Tune-32115-get.log 1386 Log file, useful mostly for debugging
Tune-32117-24CountryDances_1805_Gray_Thompson.abc 178 ABC music file with the extracted tune(s)
Tune-32117-24CountryDances_1805_Gray_Thompson.pdf 2217 Portable Data Format
Tune-32117-24CountryDances_1805_Gray_Thompson.ps 6 PostScript
Tune-32117-24CountryDances_1805_Gray_Thompson.txt 178 Plain-text file with the extracted tune(s)
Tune-32117-get.log 5622 Log file, useful mostly for debugging
Tune-32119-get.log 1386 Log file, useful mostly for debugging
These files should be available for 24 hours.