Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Highland_Laddy.abc/Gow-CSR2-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7645-Gow-CSR2-abc1.ps) >>/Users/jc/w/tmp/Tune-7645-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Highland_Laddy.abc/Gow-CSR2-abc1.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_76458.log 116655 Log file, useful mostly for debugging
Form_76456.log 969 Log file, useful mostly for debugging
Tune-7645-Gow-CSR2-abc1.abc 164 ABC music file with the extracted tune(s)
Tune-7645-Gow-CSR2-abc1.ps 6 PostScript
Tune-7645-Gow-CSR2-abc1.txt 164 Plain-text file with the extracted tune(s)
Tune-7645-get.log 4215 Log file, useful mostly for debugging
Tune-76453-Ajsino_Oro.abc 675 ABC music file with the extracted tune(s)
Tune-76453-Ajsino_Oro.txt 675 Plain-text file with the extracted tune(s)
Tune-76453-get.log 5244 Log file, useful mostly for debugging
Tune-76455-get.log 3136 Log file, useful mostly for debugging
These files should be available for 24 hours.