pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-69723-17_DA_BRIG.ps) >>/Users/jc/w/tmp/Tune-69723-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/HaandMeDoonDaFiddle/17_DA_BRIG.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_69723.log 792 Log file, useful mostly for debugging
Tune-69723-17_DA_BRIG.abc 917 ABC music file with the extracted tune(s)
Tune-69723-17_DA_BRIG.ps 34685 PostScript
Tune-69723-17_DA_BRIG.txt 917 Plain-text file with the extracted tune(s)
Tune-69723-get.log 4516 Log file, useful mostly for debugging
These files should be available for 24 hours.