Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1751/24CountryDances_1812_JGray.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2917-24CountryDances_1812_JGray.ps) >>/Users/jc/w/tmp/Tune-2917-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1751/24CountryDances_1812_JGray.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_29179.log 144173 Log file, useful mostly for debugging
Tune-2917-24CountryDances_1812_JGray.abc 163 ABC music file with the extracted tune(s)
Tune-2917-24CountryDances_1812_JGray.ps 6 PostScript
Tune-2917-24CountryDances_1812_JGray.txt 163 Plain-text file with the extracted tune(s)
Tune-2917-get.log 4402 Log file, useful mostly for debugging
Tune-29171-get.log 9599 Log file, useful mostly for debugging
Tune-29172-get.log 5624 Log file, useful mostly for debugging
Tune-29176-MMM2.abc 141 ABC music file with the extracted tune(s)
Tune-29176-MMM2.pdf 2217 Portable Data Format
Tune-29176-MMM2.ps 6 PostScript
Tune-29176-MMM2.txt 141 Plain-text file with the extracted tune(s)
Tune-29176-get.log 8361 Log file, useful mostly for debugging
These files should be available for 24 hours.