Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/BonAccordCollection.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8931-BonAccordCollection.ps) >>/Users/jc/w/tmp/Tune-8931-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/BonAccordCollection.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_8931.log 1055 Log file, useful mostly for debugging
Tune-8931-BonAccordCollection.abc 172 ABC music file with the extracted tune(s)
Tune-8931-BonAccordCollection.ps 6 PostScript
Tune-8931-BonAccordCollection.txt 172 Plain-text file with the extracted tune(s)
Tune-8931-get.log 4351 Log file, useful mostly for debugging
Tune-89311-get.log 1420 Log file, useful mostly for debugging
Tune-89314-get.log 100372 Log file, useful mostly for debugging
Tune-89315-get.log 1420 Log file, useful mostly for debugging
Tune-89316-get.log 5646 Log file, useful mostly for debugging
Tune-89317-get.log 5601 Log file, useful mostly for debugging
Tune-89319-get.log 1420 Log file, useful mostly for debugging
These files should be available for 24 hours.