pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-60915-MollyBawnsReel.ps) >>/Users/jc/w/tmp/Tune-60915-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/MollyBawnsReel.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-60915-LavinderGirl.abc 453 ABC music file with the extracted tune(s)
Tune-60915-LavinderGirl.ps 35925 PostScript
Tune-60915-LavinderGirl.txt 453 Plain-text file with the extracted tune(s)
Tune-60915-MollyBawnsReel.abc 577 ABC music file with the extracted tune(s)
Tune-60915-MollyBawnsReel.ps 37555 PostScript
Tune-60915-MollyBawnsReel.txt 577 Plain-text file with the extracted tune(s)
Tune-60915-get.log 14500 Log file, useful mostly for debugging
These files should be available for 24 hours.