Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/24CountryDances_1802_Thompson.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7833-24CountryDances_1802_Thompson.ps) >>/Users/jc/w/tmp/Tune-7833-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MusiciansCompanionP1/24CountryDances_1802_Thompson.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-7833-24CountryDances_1802_Thompson.abc 182 ABC music file with the extracted tune(s)
Tune-7833-24CountryDances_1802_Thompson.ps 6 PostScript
Tune-7833-24CountryDances_1802_Thompson.txt 182 Plain-text file with the extracted tune(s)
Tune-7833-get.log 9054 Log file, useful mostly for debugging
Tune-78335-get.log 7699 Log file, useful mostly for debugging
Tune-78336-24CountryDances_1809_Cahusac_JC.abc 174 ABC music file with the extracted tune(s)
Tune-78336-24CountryDances_1809_Cahusac_JC.pdf 2217 Portable Data Format
Tune-78336-24CountryDances_1809_Cahusac_JC.ps 6 PostScript
Tune-78336-24CountryDances_1809_Cahusac_JC.txt 174 Plain-text file with the extracted tune(s)
Tune-78336-get.log 9051 Log file, useful mostly for debugging
These files should be available for 24 hours.