pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-49531-Book06.ps) >>/Users/jc/w/tmp/Tune-49531-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book06.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_49531.log 462817 Log file, useful mostly for debugging
Tune-49531-Book06.abc 15590 ABC music file with the extracted tune(s)
Tune-49531-Book06.ps 180995 PostScript
Tune-49531-Book06.txt 15590 Plain-text file with the extracted tune(s)
Tune-49531-get.log 21610 Log file, useful mostly for debugging
These files should be available for 24 hours.