pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8069-0311_.ps) >>/Users/jc/w/tmp/Tune-8069-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/0311_.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_80691.log 799 Log file, useful mostly for debugging
Form_80697.log 802 Log file, useful mostly for debugging
Tune-8069-0311_.abc 64 ABC music file with the extracted tune(s)
Tune-8069-0311_.ps 6 PostScript
Tune-8069-0311_.txt 64 Plain-text file with the extracted tune(s)
Tune-8069-get.log 3883 Log file, useful mostly for debugging
These files should be available for 24 hours.