Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Compleat_Tutor/MrKynastonsFamousDance.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9448-MrKynastonsFamousDance.ps) >>/Users/jc/w/tmp/Tune-9448-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Compleat_Tutor/MrKynastonsFamousDance.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_9448.log 249206 Log file, useful mostly for debugging
Coll_94480.log 742128 Log file, useful mostly for debugging
Coll_94484.log 268876 Log file, useful mostly for debugging
Coll_94486.log 263256 Log file, useful mostly for debugging
Coll_94487.log 496488 Log file, useful mostly for debugging
Tune-9448-MrKynastonsFamousDance.abc 169 ABC music file with the extracted tune(s)
Tune-9448-MrKynastonsFamousDance.ps 6 PostScript
Tune-9448-MrKynastonsFamousDance.txt 169 Plain-text file with the extracted tune(s)
Tune-9448-get.log 12165 Log file, useful mostly for debugging
Tune-94481-get.log 9643 Log file, useful mostly for debugging
Tune-94487-get.log 5275 Log file, useful mostly for debugging
These files should be available for 24 hours.