pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1885-09_la_Culotte.ps) >>/Users/jc/w/tmp/Tune-1885-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1770/Longman_Cotillons/09_la_Culotte.abc

Error exit status 256; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_18854.log 63104 Log file, useful mostly for debugging
Coll_18856.log 64724 Log file, useful mostly for debugging
Form_18852.log 634 Log file, useful mostly for debugging
Tune-1885-09_la_Culotte.abc 1616 ABC music file with the extracted tune(s)
Tune-1885-09_la_Culotte.ps 43887 PostScript
Tune-1885-09_la_Culotte.txt 1616 Plain-text file with the extracted tune(s)
Tune-1885-get.log 4428 Log file, useful mostly for debugging
Tune-18852-get.log 2893 Log file, useful mostly for debugging
Tune-18855-get.log 5369 Log file, useful mostly for debugging
Tune-18858-get.log 4269 Log file, useful mostly for debugging
These files should be available for 24 hours.