pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8071-ArgyllStr.ps) >>/Users/jc/w/tmp/Tune-8071-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/ArgyllStr.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_80714.log 284330 Log file, useful mostly for debugging
Coll_80717.log 292760 Log file, useful mostly for debugging
Coll_80718.log 563040 Log file, useful mostly for debugging
Tune-8071-ArgyllStr.abc 2487 ABC music file with the extracted tune(s)
Tune-8071-ArgyllStr.ps 61208 PostScript
Tune-8071-ArgyllStr.txt 2487 Plain-text file with the extracted tune(s)
Tune-8071-get.log 4829 Log file, useful mostly for debugging
Tune-80716-DebkaKafrit_Dm.abc 305 ABC music file with the extracted tune(s)
Tune-80716-DebkaKafrit_Dm.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-80716-DebkaKafrit_Dm.ps 33513 PostScript
Tune-80716-DebkaKafrit_Dm.txt 305 Plain-text file with the extracted tune(s)
Tune-80716-get.log 5197 Log file, useful mostly for debugging
These files should be available for 24 hours.