pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2117-392_QuickStep.ps) >>/Users/jc/w/tmp/Tune-2117-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Pringle/392_QuickStep.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-2117-392_QuickStep.abc 644 ABC music file with the extracted tune(s)
Tune-2117-392_QuickStep.ps 37100 PostScript
Tune-2117-392_QuickStep.txt 644 Plain-text file with the extracted tune(s)
Tune-2117-get.log 9855 Log file, useful mostly for debugging
Tune-21171-get.log 4492 Log file, useful mostly for debugging
Tune-21174-get.log 4835 Log file, useful mostly for debugging
Tune-21176-get.log 4027 Log file, useful mostly for debugging
These files should be available for 24 hours.