Mismatch: X:07012 doesn't match requested X:1
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-46600-Book07.ps) >>/Users/jc/w/tmp/Tune-46600-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book07.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-46600-Book07.abc 442 ABC music file with the extracted tune(s)
Tune-46600-Book07.ps 33757 PostScript
Tune-46600-Book07.txt 442 Plain-text file with the extracted tune(s)
Tune-46600-get.log 12353 Log file, useful mostly for debugging
These files should be available for 24 hours.