pscmd="(jcabc2ps /Users/jc/w/tmp/Tune-84337-AmazingGraceUp3rd.abc -F fmt/pdf_60.fmt +s 0.60 +maxs 2000 )>/Users/jc/w/tmp/Tune-84337-AmazingGraceUp3rd.ps 2>>/Users/jc/w/tmp/Tune-84337-get.log" returned status 34304.
http://www.flutetree.org/songbook/contemporary/AmazingGraceUp3rd.html

Error exit status 34304; here are some files to check:

[P=get.cgi V=1/1 B=0 scale=0.60 512x512 ]
filesizedescription
Coll_84337.log 65264 Log file, useful mostly for debugging
Tune-84337-AmazingGraceUp3rd.abc 1267 ABC music file with the extracted tune(s)
Tune-84337-AmazingGraceUp3rd.ps 0 PostScript
Tune-84337-AmazingGraceUp3rd.txt 1267 Plain-text file with the extracted tune(s)
Tune-84337-get.log 6443 Log file, useful mostly for debugging
These files should be available for 24 hours.