pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-96483-Buttered_Pease_1.ps) >>/Users/jc/w/tmp/Tune-96483-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Buttered_Pease_1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-96483-Buttered_Pease_1.abc 1231 ABC music file with the extracted tune(s)
Tune-96483-Buttered_Pease_1.ps 35612 PostScript
Tune-96483-Buttered_Pease_1.txt 1231 Plain-text file with the extracted tune(s)
Tune-96483-get.log 9268 Log file, useful mostly for debugging
These files should be available for 24 hours.