pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6621-Faithful_Friend-D-48-6.ps) >>/Users/jc/w/tmp/Tune-6621-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ONeills/hornpipe/Faithful_Friend-D-48-6.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_66212.log 1077531 Log file, useful mostly for debugging
Tune-6621-Faithful_Friend-D-48-6.abc 623 ABC music file with the extracted tune(s)
Tune-6621-Faithful_Friend-D-48-6.ps 38108 PostScript
Tune-6621-Faithful_Friend-D-48-6.txt 623 Plain-text file with the extracted tune(s)
Tune-6621-get.log 4798 Log file, useful mostly for debugging
Tune-66212-get.log 1585 Log file, useful mostly for debugging
Tune-66217-get.log 4282 Log file, useful mostly for debugging
These files should be available for 24 hours.