pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5801-3081_Mr_Bushby_Maitlands_Reel.ps) >>/Users/jc/w/tmp/Tune-5801-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/3081_Mr_Bushby_Maitlands_Reel.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_5801.log 451409 Log file, useful mostly for debugging
Coll_58014.log 436009 Log file, useful mostly for debugging
Tune-5801-3081_Mr_Bushby_Maitlands_Reel.abc 826 ABC music file with the extracted tune(s)
Tune-5801-3081_Mr_Bushby_Maitlands_Reel.ps 37858 PostScript
Tune-5801-3081_Mr_Bushby_Maitlands_Reel.txt 826 Plain-text file with the extracted tune(s)
Tune-5801-get.log 5008 Log file, useful mostly for debugging
Tune-58010-get.log 9420 Log file, useful mostly for debugging
These files should be available for 24 hours.