Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1812/24NewCotillons_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9060-24NewCotillons_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-9060-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1812/24NewCotillons_1770_Longman.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-9060-24NewCotillons_1770_Longman.abc 164 ABC music file with the extracted tune(s)
Tune-9060-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-9060-24NewCotillons_1770_Longman.txt 164 Plain-text file with the extracted tune(s)
Tune-9060-get.log 4419 Log file, useful mostly for debugging
Tune-90600-get.log 5734 Log file, useful mostly for debugging
Tune-90601-get.log 4659 Log file, useful mostly for debugging
Tune-90605-Collections.abc 148 ABC music file with the extracted tune(s)
Tune-90605-Collections.pdf 2217 Portable Data Format
Tune-90605-Collections.ps 6 PostScript
Tune-90605-Collections.txt 148 Plain-text file with the extracted tune(s)
Tune-90605-get.log 12786 Log file, useful mostly for debugging
These files should be available for 24 hours.