pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-43826-2133_Lochryhach.ps) >>/Users/jc/w/tmp/Tune-43826-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2133_Lochryhach.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_43826.log 311025 Log file, useful mostly for debugging
Tune-43826-2133_Lochryhach.abc 436 ABC music file with the extracted tune(s)
Tune-43826-2133_Lochryhach.ps 33695 PostScript
Tune-43826-2133_Lochryhach.txt 436 Plain-text file with the extracted tune(s)
Tune-43826-get.log 4600 Log file, useful mostly for debugging
These files should be available for 24 hours.