pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-31410-471_Cosseys_Jig.ps) >>/Users/jc/w/tmp/Tune-31410-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnMacphersonMulhollan/471_Cosseys_Jig.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_31410.log 261851 Log file, useful mostly for debugging
Tune-31410-471_Cosseys_Jig.abc 1091 ABC music file with the extracted tune(s)
Tune-31410-471_Cosseys_Jig.ps 41397 PostScript
Tune-31410-471_Cosseys_Jig.txt 1091 Plain-text file with the extracted tune(s)
Tune-31410-get.log 4784 Log file, useful mostly for debugging
These files should be available for 24 hours.