pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-88197-13_la_Blanchisseuse.ps) >>/Users/jc/w/tmp/Tune-88197-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1770/Longman_Cotillons/13_la_Blanchisseuse.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_88197.log 1019665 Log file, useful mostly for debugging
Tune-88197-13_la_Blanchisseuse.abc 1779 ABC music file with the extracted tune(s)
Tune-88197-13_la_Blanchisseuse.ps 43667 PostScript
Tune-88197-13_la_Blanchisseuse.txt 1779 Plain-text file with the extracted tune(s)
Tune-88197-get.log 4887 Log file, useful mostly for debugging
These files should be available for 24 hours.