Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/MM1/EliasHowe_MusiciansCompanionP2-1843-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5982-EliasHowe_MusiciansCompanionP2-1843-V2.ps) >>/Users/jc/w/tmp/Tune-5982-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/MM1/EliasHowe_MusiciansCompanionP2-1843-V2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_5982.log 669812 Log file, useful mostly for debugging
Coll_59820.log 284811 Log file, useful mostly for debugging
Coll_59822.log 639010 Log file, useful mostly for debugging
Tune-5982-EliasHowe_MusiciansCompanionP2-1843-V2.abc 174 ABC music file with the extracted tune(s)
Tune-5982-EliasHowe_MusiciansCompanionP2-1843-V2.ps 6 PostScript
Tune-5982-EliasHowe_MusiciansCompanionP2-1843-V2.txt 174 Plain-text file with the extracted tune(s)
Tune-5982-get.log 7705 Log file, useful mostly for debugging
Tune-59821-get.log 5696 Log file, useful mostly for debugging
Tune-59822-get.log 4373 Log file, useful mostly for debugging
Tune-59823-get.log 7605 Log file, useful mostly for debugging
Tune-59825-get.log 5811 Log file, useful mostly for debugging
Tune-59827-get.log 5686 Log file, useful mostly for debugging
Tune-59828-get.log 9014 Log file, useful mostly for debugging
Tune-59829-get.log 14713 Log file, useful mostly for debugging
These files should be available for 24 hours.