pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5751-MusiciansCompanionP1-1842-V2.ps) >>/Users/jc/w/tmp/Tune-5751-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP1-1842-V2.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
Coll_57512.log 67694 Log file, useful mostly for debugging
Form_57513.log 731 Log file, useful mostly for debugging
Form_57515.log 1520 Log file, useful mostly for debugging
Tune-5751-MusiciansCompanionP1-1842-V2.abc 0 ABC music file with the extracted tune(s)
Tune-5751-MusiciansCompanionP1-1842-V2.ps 0 PostScript
Tune-5751-MusiciansCompanionP1-1842-V2.txt 0 Plain-text file with the extracted tune(s)
Tune-5751-get.log 8179 Log file, useful mostly for debugging
Tune-57510-get.log 1404 Log file, useful mostly for debugging
Tune-57515-get.log 2971 Log file, useful mostly for debugging
Tune-57517-get.log 1396 Log file, useful mostly for debugging
Tune-57518-Ragged_Sailor_1.abc 166 ABC music file with the extracted tune(s)
Tune-57518-Ragged_Sailor_1.txt 166 Plain-text file with the extracted tune(s)
Tune-57518-get.log 6728 Log file, useful mostly for debugging
These files should be available for 24 hours.