pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8384-x9.ps) >>/Users/jc/w/tmp/Tune-8384-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Quebec/x9.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_83843.log 577089 Log file, useful mostly for debugging
Coll_83846.log 541445 Log file, useful mostly for debugging
Tune-8384-get.log 3737 Log file, useful mostly for debugging
Tune-8384-x9.abc 174 ABC music file with the extracted tune(s)
Tune-8384-x9.ps 32089 PostScript
Tune-8384-x9.txt 174 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.