Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Dales_Selection/EliasHowe_MusiciansCompanionP3-1844-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6287-EliasHowe_MusiciansCompanionP3-1844-V1.ps) >>/Users/jc/w/tmp/Tune-6287-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Dales_Selection/EliasHowe_MusiciansCompanionP3-1844-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
Coll_62872.log 502106 Log file, useful mostly for debugging
Coll_62876.log 893738 Log file, useful mostly for debugging
Tune-6287-EliasHowe_MusiciansCompanionP3-1844-V1.abc 186 ABC music file with the extracted tune(s)
Tune-6287-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-6287-EliasHowe_MusiciansCompanionP3-1844-V1.txt 186 Plain-text file with the extracted tune(s)
Tune-6287-get.log 4720 Log file, useful mostly for debugging
Tune-62872-get.log 5467 Log file, useful mostly for debugging
Tune-62878-24FavouriteDances_1779_Straight.ps 6 PostScript
Tune-62878-get.log 4448 Log file, useful mostly for debugging
These files should be available for 24 hours.