pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2132-20743_Marine_Artillery_Quickstep.ps) >>/Users/jc/w/tmp/Tune-2132-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20743_Marine_Artillery_Quickstep.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-2132-20743_Marine_Artillery_Quickstep.abc 887 ABC music file with the extracted tune(s)
Tune-2132-20743_Marine_Artillery_Quickstep.ps 37016 PostScript
Tune-2132-20743_Marine_Artillery_Quickstep.txt 887 Plain-text file with the extracted tune(s)
Tune-2132-get.log 5146 Log file, useful mostly for debugging
Tune-21320-get.log 3376 Log file, useful mostly for debugging
Tune-21322-get.log 4885 Log file, useful mostly for debugging
Tune-21323-24CountryDances_1811_Goulding_dAlmaine_Potter.abc 185 ABC music file with the extracted tune(s)
Tune-21323-24CountryDances_1811_Goulding_dAlmaine_Potter.txt 185 Plain-text file with the extracted tune(s)
Tune-21323-get.log 13643 Log file, useful mostly for debugging
Tune-21325-get.log 8954 Log file, useful mostly for debugging
Tune-21329-Brewer_NewInstructionsForTheClarinet.abc 185 ABC music file with the extracted tune(s)
Tune-21329-Brewer_NewInstructionsForTheClarinet.txt 185 Plain-text file with the extracted tune(s)
Tune-21329-get.log 8945 Log file, useful mostly for debugging
These files should be available for 24 hours.