pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4693-JohnnyMcgill.ps) >>/Users/jc/w/tmp/Tune-4693-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/JohnnyMcgill.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_46937.log 1598 Log file, useful mostly for debugging
Tune-4693-JohnnyMcgill.abc 413 ABC music file with the extracted tune(s)
Tune-4693-JohnnyMcgill.ps 34569 PostScript
Tune-4693-JohnnyMcgill.txt 413 Plain-text file with the extracted tune(s)
Tune-4693-get.log 5436 Log file, useful mostly for debugging
Tune-46930-get.log 3310 Log file, useful mostly for debugging
Tune-46932-get.log 3970 Log file, useful mostly for debugging
Tune-46933-HundredPipersJ-001.svg 32197 Scalable Vector Graphics format
Tune-46933-HundredPipersJ.abc 861 ABC music file with the extracted tune(s)
Tune-46933-HundredPipersJ.txt 861 Plain-text file with the extracted tune(s)
Tune-46933-get.log 8894 Log file, useful mostly for debugging
Tune-46935-get.log 5547 Log file, useful mostly for debugging
Tune-46938-get.log 9373 Log file, useful mostly for debugging
These files should be available for 24 hours.