Mismatch: X:42071 doesn't match requested X:1
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-16658-Book42.ps) >>/Users/jc/w/tmp/Tune-16658-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SCD/Book42.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-16658-Book42.abc 1963 ABC music file with the extracted tune(s)
Tune-16658-Book42.ps 48772 PostScript
Tune-16658-Book42.txt 1963 Plain-text file with the extracted tune(s)
Tune-16658-get.log 12874 Log file, useful mostly for debugging
These files should be available for 24 hours.