Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Compleat_Tutor/24CountryDances_1800_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2464-24CountryDances_1800_Preston.ps) >>/Users/jc/w/tmp/Tune-2464-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Compleat_Tutor/24CountryDances_1800_Preston.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_2464.log 266066 Log file, useful mostly for debugging
Coll_24648.log 1305989 Log file, useful mostly for debugging
Coll_24649.log 270281 Log file, useful mostly for debugging
Form_24641.log 978 Log file, useful mostly for debugging
Form_24647.log 996 Log file, useful mostly for debugging
Tune-2464-24CountryDances_1800_Preston.abc 175 ABC music file with the extracted tune(s)
Tune-2464-24CountryDances_1800_Preston.ps 6 PostScript
Tune-2464-24CountryDances_1800_Preston.txt 175 Plain-text file with the extracted tune(s)
Tune-2464-get.log 4504 Log file, useful mostly for debugging
Tune-24643-get.log 5651 Log file, useful mostly for debugging
These files should be available for 24 hours.