Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MCCD/Thompson_V1_1751-1757_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4529-Thompson_V1_1751-1757_FTM.ps) >>/Users/jc/w/tmp/Tune-4529-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MCCD/Thompson_V1_1751-1757_FTM.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-4529-Thompson_V1_1751-1757_FTM.abc 162 ABC music file with the extracted tune(s)
Tune-4529-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-4529-Thompson_V1_1751-1757_FTM.txt 162 Plain-text file with the extracted tune(s)
Tune-4529-get.log 9815 Log file, useful mostly for debugging
Tune-45290-get.log 5079 Log file, useful mostly for debugging
Tune-45295-24CountryDances_1810_Button_Whitaker.abc 175 ABC music file with the extracted tune(s)
Tune-45295-24CountryDances_1810_Button_Whitaker.pdf 2217 Portable Data Format
Tune-45295-24CountryDances_1810_Button_Whitaker.ps 6 PostScript
Tune-45295-24CountryDances_1810_Button_Whitaker.txt 175 Plain-text file with the extracted tune(s)
Tune-45295-get.log 5648 Log file, useful mostly for debugging
Tune-45298-get.log 4031 Log file, useful mostly for debugging
These files should be available for 24 hours.