Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Children/EliasHowe_MusiciansCompanionP1-1842-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2203-EliasHowe_MusiciansCompanionP1-1842-V1.ps) >>/Users/jc/w/tmp/Tune-2203-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Children/EliasHowe_MusiciansCompanionP1-1842-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-2203-EliasHowe_MusiciansCompanionP1-1842-V1.abc 179 ABC music file with the extracted tune(s)
Tune-2203-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-2203-EliasHowe_MusiciansCompanionP1-1842-V1.txt 179 Plain-text file with the extracted tune(s)
Tune-2203-get.log 11362 Log file, useful mostly for debugging
Tune-22030-get.log 4271 Log file, useful mostly for debugging
Tune-22031-get.log 3830 Log file, useful mostly for debugging
Tune-22035-get.log 9243 Log file, useful mostly for debugging
Tune-22036-get.log 4547 Log file, useful mostly for debugging
Tune-22038-get.log 4463 Log file, useful mostly for debugging
These files should be available for 24 hours.