Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1770/CSGBT_1794-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9228-CSGBT_1794-V1.ps) >>/Users/jc/w/tmp/Tune-9228-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1770/CSGBT_1794-V1.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-9228-CSGBT_1794-V1.abc 150 ABC music file with the extracted tune(s)
Tune-9228-CSGBT_1794-V1.ps 6 PostScript
Tune-9228-CSGBT_1794-V1.txt 150 Plain-text file with the extracted tune(s)
Tune-9228-get.log 4129 Log file, useful mostly for debugging
Tune-92280-get.log 5343 Log file, useful mostly for debugging
Tune-92281-get.log 4830 Log file, useful mostly for debugging
Tune-92282-24CountryDances_1767_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-92282-24CountryDances_1767_Thompson.pdf 2213 Portable Data Format
Tune-92282-24CountryDances_1767_Thompson.ps 6 PostScript
Tune-92282-24CountryDances_1767_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-92282-get.log 8778 Log file, useful mostly for debugging
Tune-92288-20953_Victorias_Sett_tune_6.abc 1002 ABC music file with the extracted tune(s)
Tune-92288-20953_Victorias_Sett_tune_6.ps 37522 PostScript
Tune-92288-20953_Victorias_Sett_tune_6.txt 1002 Plain-text file with the extracted tune(s)
Tune-92288-get.log 5064 Log file, useful mostly for debugging
Tune-92289-Kauntze_CotmfD_NO.abc 154 ABC music file with the extracted tune(s)
Tune-92289-Kauntze_CotmfD_NO.ps 6 PostScript
Tune-92289-Kauntze_CotmfD_NO.txt 154 Plain-text file with the extracted tune(s)
Tune-92289-get.log 4263 Log file, useful mostly for debugging
These files should be available for 24 hours.