pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-98121-04_le_Diable_Boiteux.ps) >>/Users/jc/w/tmp/Tune-98121-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1770/Longman_Cotillons/04_le_Diable_Boiteux.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_98121.log 239370 Log file, useful mostly for debugging
Tune-98121-04_le_Diable_Boiteux.abc 1579 ABC music file with the extracted tune(s)
Tune-98121-04_le_Diable_Boiteux.ps 43799 PostScript
Tune-98121-04_le_Diable_Boiteux.txt 1579 Plain-text file with the extracted tune(s)
Tune-98121-get.log 4905 Log file, useful mostly for debugging
These files should be available for 24 hours.