Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/William_Clarke_MS_1770.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3808-William_Clarke_MS_1770.ps) >>/Users/jc/w/tmp/Tune-3808-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/William_Clarke_MS_1770.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-3808-William_Clarke_MS_1770.abc 167 ABC music file with the extracted tune(s)
Tune-3808-William_Clarke_MS_1770.ps 6 PostScript
Tune-3808-William_Clarke_MS_1770.txt 167 Plain-text file with the extracted tune(s)
Tune-3808-get.log 11864 Log file, useful mostly for debugging
Tune-38080-get.log 4247 Log file, useful mostly for debugging
Tune-38081-get.log 12000 Log file, useful mostly for debugging
Tune-38082-get.log 3669 Log file, useful mostly for debugging
Tune-38086-get.log 23738 Log file, useful mostly for debugging
Tune-38088-get.log 1405 Log file, useful mostly for debugging
These files should be available for 24 hours.