Mismatch: X:1 doesn't match requested X:08
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58864-Book46.ps) >>/Users/jc/w/tmp/Tune-58864-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book46.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
Tune-58864-Book46.abc 772 ABC music file with the extracted tune(s)
Tune-58864-Book46.ps 37407 PostScript
Tune-58864-Book46.txt 772 Plain-text file with the extracted tune(s)
Tune-58864-get.log 10570 Log file, useful mostly for debugging
These files should be available for 24 hours.