Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/gavving-bin/EliasHowe_MusiciansCompanionP1-1842-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7247-EliasHowe_MusiciansCompanionP1-1842-V1.ps) >>/Users/jc/w/tmp/Tune-7247-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/gavving-bin/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-7247-EliasHowe_MusiciansCompanionP1-1842-V1.abc 182 ABC music file with the extracted tune(s)
Tune-7247-EliasHowe_MusiciansCompanionP1-1842-V1.ps 6 PostScript
Tune-7247-EliasHowe_MusiciansCompanionP1-1842-V1.txt 182 Plain-text file with the extracted tune(s)
Tune-7247-get.log 4696 Log file, useful mostly for debugging
Tune-72473-get.log 3412 Log file, useful mostly for debugging
Tune-72474-get.log 4714 Log file, useful mostly for debugging
Tune-72477-1812_Wilson_Harmony_FourNewCountryDances.abc 177 ABC music file with the extracted tune(s)
Tune-72477-1812_Wilson_Harmony_FourNewCountryDances.txt 177 Plain-text file with the extracted tune(s)
Tune-72477-get.log 3724 Log file, useful mostly for debugging
Tune-72478-get.log 10778 Log file, useful mostly for debugging
These files should be available for 24 hours.