Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1800/24AmericanCountryDances_1785_Cantelo.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8270-24AmericanCountryDances_1785_Cantelo.ps) >>/Users/jc/w/tmp/Tune-8270-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1800/24AmericanCountryDances_1785_Cantelo.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_8270.log 345285 Log file, useful mostly for debugging
Coll_82708.log 278084 Log file, useful mostly for debugging
Form_82703.log 806 Log file, useful mostly for debugging
Tune-8270-24AmericanCountryDances_1785_Cantelo.abc 173 ABC music file with the extracted tune(s)
Tune-8270-24AmericanCountryDances_1785_Cantelo.ps 6 PostScript
Tune-8270-24AmericanCountryDances_1785_Cantelo.txt 173 Plain-text file with the extracted tune(s)
Tune-8270-get.log 4610 Log file, useful mostly for debugging
Tune-82702-get.log 1474 Log file, useful mostly for debugging
Tune-82703-CharlesZeuner_TremontQuadrilles2.abc 169 ABC music file with the extracted tune(s)
Tune-82703-CharlesZeuner_TremontQuadrilles2.ps 6 PostScript
Tune-82703-CharlesZeuner_TremontQuadrilles2.txt 169 Plain-text file with the extracted tune(s)
Tune-82703-get.log 9443 Log file, useful mostly for debugging
Tune-82704-get.log 3247 Log file, useful mostly for debugging
These files should be available for 24 hours.