pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-86625-Urbani_Liston_1800.ps) >>/Users/jc/w/tmp/Tune-86625-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Urbani_Liston/1800/Urbani_Liston_1800.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_86625.log 64724 Log file, useful mostly for debugging
Tune-86625-Urbani_Liston_1800.abc 488 ABC music file with the extracted tune(s)
Tune-86625-Urbani_Liston_1800.ps 33884 PostScript
Tune-86625-Urbani_Liston_1800.txt 488 Plain-text file with the extracted tune(s)
Tune-86625-get.log 4402 Log file, useful mostly for debugging
These files should be available for 24 hours.