Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Potpourri/Thompson_V3_1766-1772_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5610-Thompson_V3_1766-1772_FTM.ps) >>/Users/jc/w/tmp/Tune-5610-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Potpourri/Thompson_V3_1766-1772_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
Tune-5610-Thompson_V3_1766-1772_FTM.abc 167 ABC music file with the extracted tune(s)
Tune-5610-Thompson_V3_1766-1772_FTM.ps 6 PostScript
Tune-5610-Thompson_V3_1766-1772_FTM.txt 167 Plain-text file with the extracted tune(s)
Tune-5610-get.log 4411 Log file, useful mostly for debugging
Tune-56100-get.log 9108 Log file, useful mostly for debugging
Tune-56101-get.log 3230 Log file, useful mostly for debugging
Tune-56103-get.log 9394 Log file, useful mostly for debugging
Tune-56105-get.log 9101 Log file, useful mostly for debugging
Tune-56108-24CountryDances_1809_Cahusac_FTM.abc 170 ABC music file with the extracted tune(s)
Tune-56108-24CountryDances_1809_Cahusac_FTM.pdf 2217 Portable Data Format
Tune-56108-24CountryDances_1809_Cahusac_FTM.ps 6 PostScript
Tune-56108-24CountryDances_1809_Cahusac_FTM.txt 170 Plain-text file with the extracted tune(s)
Tune-56108-get.log 5524 Log file, useful mostly for debugging
Tune-56109-get.log 1424 Log file, useful mostly for debugging
These files should be available for 24 hours.