pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56499-3101_Miss_Clementina_Drummond.ps) >>/Users/jc/w/tmp/Tune-56499-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM3/3101_Miss_Clementina_Drummond.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-56499-3101_Miss_Clementina_Drummond.abc 629 ABC music file with the extracted tune(s)
Tune-56499-3101_Miss_Clementina_Drummond.ps 39963 PostScript
Tune-56499-3101_Miss_Clementina_Drummond.txt 629 Plain-text file with the extracted tune(s)
Tune-56499-get.log 5022 Log file, useful mostly for debugging
These files should be available for 24 hours.