pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29304-HalfPennyReel.ps) >>/Users/jc/w/tmp/Tune-29304-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ryan-cole/Tunes/HalfPennyReel.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-29304-HalfPennyReel.abc 559 ABC music file with the extracted tune(s)
Tune-29304-HalfPennyReel.ps 37268 PostScript
Tune-29304-HalfPennyReel.txt 559 Plain-text file with the extracted tune(s)
Tune-29304-get.log 13884 Log file, useful mostly for debugging
Tune-29304-sett-001.svg 1139 Scalable Vector Graphics format
Tune-29304-sett.abc 545 ABC music file with the extracted tune(s)
Tune-29304-sett.txt 545 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.