pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5119-22_l_Espagnol.ps) >>/Users/jc/w/tmp/Tune-5119-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1770/Longman_Cotillons/22_l_Espagnol.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_51194.log 766245 Log file, useful mostly for debugging
Tune-5119-22_l_Espagnol.abc 1611 ABC music file with the extracted tune(s)
Tune-5119-22_l_Espagnol.ps 41109 PostScript
Tune-5119-22_l_Espagnol.txt 1611 Plain-text file with the extracted tune(s)
Tune-5119-get.log 4711 Log file, useful mostly for debugging
Tune-51196-get.log 4549 Log file, useful mostly for debugging
These files should be available for 24 hours.