pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6430-learnW.ps) >>/Users/jc/w/tmp/Tune-6430-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Contra/learnW.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_64305.log 323670 Log file, useful mostly for debugging
Tune-6430-get.log 15286 Log file, useful mostly for debugging
Tune-6430-learnW.abc 11828 ABC music file with the extracted tune(s)
Tune-6430-learnW.ps 129881 PostScript
Tune-6430-learnW.txt 11828 Plain-text file with the extracted tune(s)
Tune-64307-MissJessWatsonsHornpipe.abc 400 ABC music file with the extracted tune(s)
Tune-64307-MissJessWatsonsHornpipe.pdf 15254 Portable Data Format
Tune-64307-MissJessWatsonsHornpipe.ps 35623 PostScript
Tune-64307-MissJessWatsonsHornpipe.txt 400 Plain-text file with the extracted tune(s)
Tune-64307-get.log 10124 Log file, useful mostly for debugging
These files should be available for 24 hours.