pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-31691-Hambo2.ps) >>/Users/jc/w/tmp/Tune-31691-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/scand/Hambo2.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_31691.log 249206 Log file, useful mostly for debugging
Tune-31691-Hambo2.abc 1939 ABC music file with the extracted tune(s)
Tune-31691-Hambo2.ps 52945 PostScript
Tune-31691-Hambo2.txt 1939 Plain-text file with the extracted tune(s)
Tune-31691-get.log 8478 Log file, useful mostly for debugging
These files should be available for 24 hours.