pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9252-Vanity_V2-Am-32-3.ps) >>/Users/jc/w/tmp/Tune-9252-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/session/jig/Vanity_V2-Am-32-3.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_92521.log 308215 Log file, useful mostly for debugging
Coll_92525.log 311025 Log file, useful mostly for debugging
Coll_92529.log 676328 Log file, useful mostly for debugging
Tune-9252-Vanity_V2-Am-32-3.abc 787 ABC music file with the extracted tune(s)
Tune-9252-Vanity_V2-Am-32-3.ps 38078 PostScript
Tune-9252-Vanity_V2-Am-32-3.txt 787 Plain-text file with the extracted tune(s)
Tune-9252-get.log 4699 Log file, useful mostly for debugging
Tune-92520-get.log 4090 Log file, useful mostly for debugging
Tune-92522-get.log 5723 Log file, useful mostly for debugging
Tune-92528-get.log 3872 Log file, useful mostly for debugging
These files should be available for 24 hours.