Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Graded1/Kerr_MM2-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6498-Kerr_MM2-V1.ps) >>/Users/jc/w/tmp/Tune-6498-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Graded1/Kerr_MM2-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_64989.log 126896 Log file, useful mostly for debugging
Tune-6498-Kerr_MM2-V1.abc 151 ABC music file with the extracted tune(s)
Tune-6498-Kerr_MM2-V1.ps 6 PostScript
Tune-6498-Kerr_MM2-V1.txt 151 Plain-text file with the extracted tune(s)
Tune-6498-get.log 4105 Log file, useful mostly for debugging
Tune-64980-get.log 3506 Log file, useful mostly for debugging
Tune-64981-get.log 9955 Log file, useful mostly for debugging
Tune-64983-get.log 1396 Log file, useful mostly for debugging
Tune-64985-HibernianMuse-V1-001.eps 43960 Encapsulated PostScript, for inclusion in PS files, HTML pages, etc.
Tune-64985-HibernianMuse-V1.abc 1349 ABC music file with the extracted tune(s)
Tune-64985-HibernianMuse-V1.txt 1349 Plain-text file with the extracted tune(s)
Tune-64985-get.log 37656 Log file, useful mostly for debugging
Tune-64987-get.log 1396 Log file, useful mostly for debugging
These files should be available for 24 hours.