Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book26/Thompson_V2_1758-1765_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6358-Thompson_V2_1758-1765_FTM.ps) >>/Users/jc/w/tmp/Tune-6358-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book26/Thompson_V2_1758-1765_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-6358-Thompson_V2_1758-1765_FTM.abc 164 ABC music file with the extracted tune(s)
Tune-6358-Thompson_V2_1758-1765_FTM.ps 6 PostScript
Tune-6358-Thompson_V2_1758-1765_FTM.txt 164 Plain-text file with the extracted tune(s)
Tune-6358-get.log 4393 Log file, useful mostly for debugging
Tune-63580-Round_Band_Book_of_Playford.abc 164 ABC music file with the extracted tune(s)
Tune-63580-Round_Band_Book_of_Playford.ps 6 PostScript
Tune-63580-Round_Band_Book_of_Playford.txt 164 Plain-text file with the extracted tune(s)
Tune-63580-get.log 4467 Log file, useful mostly for debugging
Tune-63581-get.log 95192 Log file, useful mostly for debugging
Tune-63586-get.log 5411 Log file, useful mostly for debugging
These files should be available for 24 hours.