pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-64534-x4.ps) >>/Users/jc/w/tmp/Tune-64534-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Finland/x4.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_64534.log 256230 Log file, useful mostly for debugging
Tune-64534-get.log 3761 Log file, useful mostly for debugging
Tune-64534-x4.abc 160 ABC music file with the extracted tune(s)
Tune-64534-x4.ps 31335 PostScript
Tune-64534-x4.txt 160 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.