Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Anonymous2/EliasHowe_MusiciansCompanionP3-1844-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6027-EliasHowe_MusiciansCompanionP3-1844-V1.ps) >>/Users/jc/w/tmp/Tune-6027-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Anonymous2/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_60276.log 648811 Log file, useful mostly for debugging
Tune-6027-EliasHowe_MusiciansCompanionP3-1844-V1.abc 181 ABC music file with the extracted tune(s)
Tune-6027-EliasHowe_MusiciansCompanionP3-1844-V1.ps 6 PostScript
Tune-6027-EliasHowe_MusiciansCompanionP3-1844-V1.txt 181 Plain-text file with the extracted tune(s)
Tune-6027-get.log 4688 Log file, useful mostly for debugging
Tune-60270-get.log 6013 Log file, useful mostly for debugging
Tune-60272-get.log 5172 Log file, useful mostly for debugging
Tune-60273-get.log 11475 Log file, useful mostly for debugging
Tune-60274-get.log 7572 Log file, useful mostly for debugging
Tune-60276-get.log 5375 Log file, useful mostly for debugging
These files should be available for 24 hours.