Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Absent_Minded_Man/24CountryDances_1799_Preston.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1686-24CountryDances_1799_Preston.ps) >>/Users/jc/w/tmp/Tune-1686-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Absent_Minded_Man/24CountryDances_1799_Preston.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_1686.log 160443 Log file, useful mostly for debugging
Coll_16869.log 627812 Log file, useful mostly for debugging
Tune-1686-24CountryDances_1799_Preston.abc 178 ABC music file with the extracted tune(s)
Tune-1686-24CountryDances_1799_Preston.ps 6 PostScript
Tune-1686-24CountryDances_1799_Preston.txt 178 Plain-text file with the extracted tune(s)
Tune-1686-get.log 4520 Log file, useful mostly for debugging
Tune-16861-get.log 3836 Log file, useful mostly for debugging
Tune-16864-get.log 1345 Log file, useful mostly for debugging
Tune-16866-get.log 4601 Log file, useful mostly for debugging
Tune-16868-get.log 4324 Log file, useful mostly for debugging
These files should be available for 24 hours.