Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/cache/CaledonianCountryDances.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2724-CaledonianCountryDances.ps) >>/Users/jc/w/tmp/Tune-2724-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/cache/CaledonianCountryDances.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-2724-CaledonianCountryDances.abc 161 ABC music file with the extracted tune(s)
Tune-2724-CaledonianCountryDances.ps 6 PostScript
Tune-2724-CaledonianCountryDances.txt 161 Plain-text file with the extracted tune(s)
Tune-2724-get.log 9589 Log file, useful mostly for debugging
Tune-27240-get.log 3152 Log file, useful mostly for debugging
Tune-27241-get.log 4517 Log file, useful mostly for debugging
Tune-27243-get.log 4723 Log file, useful mostly for debugging
Tune-27244-get.log 7855 Log file, useful mostly for debugging
Tune-27245-get.log 4054 Log file, useful mostly for debugging
Tune-27247-get.log 5208 Log file, useful mostly for debugging
Tune-27248-get.log 5230 Log file, useful mostly for debugging
These files should be available for 24 hours.