pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1619-CR62.ps) >>/Users/jc/w/tmp/Tune-1619-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/CR62.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_16195.log 402350 Log file, useful mostly for debugging
Coll_16196.log 278710 Log file, useful mostly for debugging
Tune-1619-CR62.abc 1512 ABC music file with the extracted tune(s)
Tune-1619-CR62.ps 46932 PostScript
Tune-1619-CR62.txt 1512 Plain-text file with the extracted tune(s)
Tune-1619-get.log 4332 Log file, useful mostly for debugging
These files should be available for 24 hours.