pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3039-BurnsHornpipe2.ps) >>/Users/jc/w/tmp/Tune-3039-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/BurnsHornpipe2.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_30395.log 2285263 Log file, useful mostly for debugging
Coll_30398.log 294165 Log file, useful mostly for debugging
Tune-3039-BurnsHornpipe2.abc 1139 ABC music file with the extracted tune(s)
Tune-3039-BurnsHornpipe2.ps 39847 PostScript
Tune-3039-BurnsHornpipe2.txt 1139 Plain-text file with the extracted tune(s)
Tune-3039-get.log 4892 Log file, useful mostly for debugging
Tune-30392-SugarCandie1.abc 2345 ABC music file with the extracted tune(s)
Tune-30392-SugarCandie1.pdf 59467 Portable Data Format
Tune-30392-SugarCandie1.ps 59118 PostScript
Tune-30392-SugarCandie1.txt 2345 Plain-text file with the extracted tune(s)
Tune-30392-get.log 5691 Log file, useful mostly for debugging
These files should be available for 24 hours.