Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/abc2/24NewCotillons_1770_Longman.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4200-24NewCotillons_1770_Longman.ps) >>/Users/jc/w/tmp/Tune-4200-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/abc2/24NewCotillons_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
Coll_4200.log 142892 Log file, useful mostly for debugging
Tune-4200-24NewCotillons_1770_Longman.abc 164 ABC music file with the extracted tune(s)
Tune-4200-24NewCotillons_1770_Longman.ps 6 PostScript
Tune-4200-24NewCotillons_1770_Longman.txt 164 Plain-text file with the extracted tune(s)
Tune-4200-get.log 4421 Log file, useful mostly for debugging
Tune-42003-CaledonianMusicalRepository_1806.abc 169 ABC music file with the extracted tune(s)
Tune-42003-CaledonianMusicalRepository_1806.ps 6 PostScript
Tune-42003-CaledonianMusicalRepository_1806.txt 169 Plain-text file with the extracted tune(s)
Tune-42003-get.log 4572 Log file, useful mostly for debugging
Tune-42004-get.log 4837 Log file, useful mostly for debugging
Tune-42005-get.log 4814 Log file, useful mostly for debugging
Tune-42008-11541-001.svg 80023 Scalable Vector Graphics format
Tune-42008-11541-002.svg 39276 Scalable Vector Graphics format
Tune-42008-11541-003.svg 94891 Scalable Vector Graphics format
Tune-42008-11541-004.svg 61476 Scalable Vector Graphics format
Tune-42008-11541.abc 7485 ABC music file with the extracted tune(s)
Tune-42008-11541.txt 7485 Plain-text file with the extracted tune(s)
Tune-42008-get.log 5817 Log file, useful mostly for debugging
These files should be available for 24 hours.