Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1774/24NewCotillons_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1451-24NewCotillons_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-1451-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1774/24NewCotillons_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-1451-24NewCotillons_1770_Longman.abc 164 ABC music file with the extracted tune(s)
Tune-1451-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-1451-24NewCotillons_1770_Longman.txt 164 Plain-text file with the extracted tune(s)
Tune-1451-get.log 8533 Log file, useful mostly for debugging
Tune-14512-get.log 4518 Log file, useful mostly for debugging
Tune-14514-get.log 5715 Log file, useful mostly for debugging
Tune-14515-20293_Nepoliton_Waltz.abc 653 ABC music file with the extracted tune(s)
Tune-14515-20293_Nepoliton_Waltz.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-14515-20293_Nepoliton_Waltz.ps 36123 PostScript
Tune-14515-20293_Nepoliton_Waltz.txt 653 Plain-text file with the extracted tune(s)
Tune-14515-get.log 5657 Log file, useful mostly for debugging
These files should be available for 24 hours.