pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78842-GlastonburyTor3.ps) >>/Users/jc/w/tmp/Tune-78842-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/GlastonburyTor3.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_78842.log 1066 Log file, useful mostly for debugging
Tune-78842-GlastonburyTor3.abc 1669 ABC music file with the extracted tune(s)
Tune-78842-GlastonburyTor3.ps 45896 PostScript
Tune-78842-GlastonburyTor3.txt 1669 Plain-text file with the extracted tune(s)
Tune-78842-get.log 4949 Log file, useful mostly for debugging
These files should be available for 24 hours.