Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/JJC/Thompson_V1_1751-1757_FTM.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9884-Thompson_V1_1751-1757_FTM.ps) >>/Users/jc/w/tmp/Tune-9884-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JJC/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-9884-Thompson_V1_1751-1757_FTM.abc 161 ABC music file with the extracted tune(s)
Tune-9884-Thompson_V1_1751-1757_FTM.ps 6 PostScript
Tune-9884-Thompson_V1_1751-1757_FTM.txt 161 Plain-text file with the extracted tune(s)
Tune-9884-get.log 4377 Log file, useful mostly for debugging
Tune-98843-ArthursSeatWaltzes.abc 157 ABC music file with the extracted tune(s)
Tune-98843-ArthursSeatWaltzes.txt 157 Plain-text file with the extracted tune(s)
Tune-98843-get.log 3336 Log file, useful mostly for debugging
Tune-98845-get.log 8395 Log file, useful mostly for debugging
Tune-98848-NorthumbrianMinstrelsy.abc 161 ABC music file with the extracted tune(s)
Tune-98848-NorthumbrianMinstrelsy.txt 161 Plain-text file with the extracted tune(s)
Tune-98848-SCD_Book49-V1.abc 152 ABC music file with the extracted tune(s)
Tune-98848-SCD_Book49-V1.ps 6 PostScript
Tune-98848-SCD_Book49-V1.txt 152 Plain-text file with the extracted tune(s)
Tune-98848-get.log 7593 Log file, useful mostly for debugging
These files should be available for 24 hours.