Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Graded2/Wilson_Harmony_4NCD_1812_V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3161-Wilson_Harmony_4NCD_1812_V1.ps) >>/Users/jc/w/tmp/Tune-3161-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Graded2/Wilson_Harmony_4NCD_1812_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-3161-Wilson_Harmony_4NCD_1812_V1.abc 167 ABC music file with the extracted tune(s)
Tune-3161-Wilson_Harmony_4NCD_1812_V1.ps 6 PostScript
Tune-3161-Wilson_Harmony_4NCD_1812_V1.txt 167 Plain-text file with the extracted tune(s)
Tune-3161-get.log 4437 Log file, useful mostly for debugging
Tune-31610-get.log 4857 Log file, useful mostly for debugging
Tune-31611-get.log 9452 Log file, useful mostly for debugging
Tune-31614-get.log 3882 Log file, useful mostly for debugging
Tune-31617-get.log 5263 Log file, useful mostly for debugging
Tune-31618-get.log 4339 Log file, useful mostly for debugging
These files should be available for 24 hours.