Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CCCCD2/24CountryDances_1767_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7669-24CountryDances_1767_Thompson.ps) >>/Users/jc/w/tmp/Tune-7669-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CCCCD2/24CountryDances_1767_Thompson.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_76690.log 407973 Log file, useful mostly for debugging
Coll_76696.log 148654 Log file, useful mostly for debugging
Form_76694.log 946 Log file, useful mostly for debugging
Tune-7669-24CountryDances_1767_Thompson.abc 168 ABC music file with the extracted tune(s)
Tune-7669-24CountryDances_1767_Thompson.ps 6 PostScript
Tune-7669-24CountryDances_1767_Thompson.txt 168 Plain-text file with the extracted tune(s)
Tune-7669-get.log 4479 Log file, useful mostly for debugging
Tune-76690-get.log 27862 Log file, useful mostly for debugging
Tune-76691-get.log 6083 Log file, useful mostly for debugging
Tune-76696-dance.abc 142 ABC music file with the extracted tune(s)
Tune-76696-dance.pdf 2217 Portable Data Format
Tune-76696-dance.ps 6 PostScript
Tune-76696-dance.txt 142 Plain-text file with the extracted tune(s)
Tune-76696-get.log 4737 Log file, useful mostly for debugging
Tune-76697-get.log 7114 Log file, useful mostly for debugging
These files should be available for 24 hours.