pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-92666-096_the_Little_Dustman.ps) >>/Users/jc/w/tmp/Tune-92666-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/096_the_Little_Dustman.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_92666.log 261851 Log file, useful mostly for debugging
Tune-92666-096_the_Little_Dustman.abc 1148 ABC music file with the extracted tune(s)
Tune-92666-096_the_Little_Dustman.ps 36439 PostScript
Tune-92666-096_the_Little_Dustman.txt 1148 Plain-text file with the extracted tune(s)
Tune-92666-get.log 4808 Log file, useful mostly for debugging
These files should be available for 24 hours.