pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6868-AlTiruni.ps) >>/Users/jc/w/tmp/Tune-6868-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/israel/AlTiruni.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_68680.log 285735 Log file, useful mostly for debugging
Coll_68687.log 288545 Log file, useful mostly for debugging
Coll_68688.log 280115 Log file, useful mostly for debugging
Tune-6868-AlTiruni.abc 1138 ABC music file with the extracted tune(s)
Tune-6868-AlTiruni.ps 40957 PostScript
Tune-6868-AlTiruni.txt 1138 Plain-text file with the extracted tune(s)
Tune-6868-get.log 5123 Log file, useful mostly for debugging
Tune-68681-get.log 4412 Log file, useful mostly for debugging
Tune-68682-get.log 2829 Log file, useful mostly for debugging
Tune-68687-get.log 1356 Log file, useful mostly for debugging
Tune-68689-get.log 5020 Log file, useful mostly for debugging
These files should be available for 24 hours.