pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5378-cresc.ps) >>/Users/jc/w/tmp/Tune-5378-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/cresc.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-5378-cresc.abc 36 ABC music file with the extracted tune(s)
Tune-5378-cresc.ps 6 PostScript
Tune-5378-cresc.txt 36 Plain-text file with the extracted tune(s)
Tune-5378-get.log 10380 Log file, useful mostly for debugging
Tune-53785-get.log 4175 Log file, useful mostly for debugging
Tune-53786-get.log 5072 Log file, useful mostly for debugging
Tune-53788-get.log 4478 Log file, useful mostly for debugging
These files should be available for 24 hours.