Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/12Minuets12Dances/24CountryDances_1804_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6124-24CountryDances_1804_Thompson.ps) >>/Users/jc/w/tmp/Tune-6124-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/12Minuets12Dances/24CountryDances_1804_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_61240.log 266066 Log file, useful mostly for debugging
Coll_61241.log 371441 Log file, useful mostly for debugging
Coll_61243.log 529322 Log file, useful mostly for debugging
Tune-6124-24CountryDances_1804_Thompson.abc 179 ABC music file with the extracted tune(s)
Tune-6124-24CountryDances_1804_Thompson.ps 6 PostScript
Tune-6124-24CountryDances_1804_Thompson.txt 179 Plain-text file with the extracted tune(s)
Tune-6124-get.log 23477 Log file, useful mostly for debugging
Tune-61243-get.log 131418 Log file, useful mostly for debugging
Tune-61246-get.log 5892 Log file, useful mostly for debugging
Tune-61248-get.log 74010 Log file, useful mostly for debugging
These files should be available for 24 hours.