Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1771/dance.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4519-dance.ps) >>/Users/jc/w/tmp/Tune-4519-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1771/dance.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-4519-dance.abc 142 ABC music file with the extracted tune(s)
Tune-4519-dance.ps 6 PostScript
Tune-4519-dance.txt 142 Plain-text file with the extracted tune(s)
Tune-4519-get.log 3961 Log file, useful mostly for debugging
Tune-45190-SCD_Book49-V2.abc 150 ABC music file with the extracted tune(s)
Tune-45190-SCD_Book49-V2.txt 150 Plain-text file with the extracted tune(s)
Tune-45190-get.log 3234 Log file, useful mostly for debugging
Tune-45198-JohnJohnson_ChoiceCollectionVol8-V1.abc 172 ABC music file with the extracted tune(s)
Tune-45198-JohnJohnson_ChoiceCollectionVol8-V1.ps 6 PostScript
Tune-45198-JohnJohnson_ChoiceCollectionVol8-V1.txt 172 Plain-text file with the extracted tune(s)
Tune-45198-get.log 4639 Log file, useful mostly for debugging
Tune-45199-24CountryDances_1780_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-45199-24CountryDances_1780_Skillern.ps 6 PostScript
Tune-45199-24CountryDances_1780_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-45199-get.log 4388 Log file, useful mostly for debugging
These files should be available for 24 hours.