pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16559-071_the_Humours_of_Dublin.ps) >>/Users/jc/w/tmp/Tune-16559-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Stewart/SCAJMR/071_the_Humours_of_Dublin.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_16559.log 263256 Log file, useful mostly for debugging
Form_16559.log 958 Log file, useful mostly for debugging
Tune-16559-071_the_Humours_of_Dublin.abc 832 ABC music file with the extracted tune(s)
Tune-16559-071_the_Humours_of_Dublin.ps 39967 PostScript
Tune-16559-071_the_Humours_of_Dublin.txt 832 Plain-text file with the extracted tune(s)
Tune-16559-get.log 4867 Log file, useful mostly for debugging
These files should be available for 24 hours.