Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1801/24FavouriteDances_1779_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7597-24FavouriteDances_1779_Straight.ps) >>/Users/jc/w/tmp/Tune-7597-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1801/24FavouriteDances_1779_Straight.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_75977.log 486412 Log file, useful mostly for debugging
Tune-7597-24FavouriteDances_1779_Straight.abc 168 ABC music file with the extracted tune(s)
Tune-7597-24FavouriteDances_1779_Straight.ps 6 PostScript
Tune-7597-24FavouriteDances_1779_Straight.txt 168 Plain-text file with the extracted tune(s)
Tune-7597-get.log 10606 Log file, useful mostly for debugging
Tune-75970-get.log 3442 Log file, useful mostly for debugging
Tune-75973-get.log 4243 Log file, useful mostly for debugging
Tune-75974-20481_Prince_Regents_Hornpipe.abc 678 ABC music file with the extracted tune(s)
Tune-75974-20481_Prince_Regents_Hornpipe.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-75974-20481_Prince_Regents_Hornpipe.ps 34942 PostScript
Tune-75974-20481_Prince_Regents_Hornpipe.txt 678 Plain-text file with the extracted tune(s)
Tune-75974-get.log 6012 Log file, useful mostly for debugging
Tune-75976-get.log 12010 Log file, useful mostly for debugging
Tune-75978-get.log 4563 Log file, useful mostly for debugging
These files should be available for 24 hours.