Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/reel/JohnTreat_GftF2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-23861-JohnTreat_GftF2.ps) >>/Users/jc/w/tmp/Tune-23861-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/reel/JohnTreat_GftF2.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-23861-2051_Mrs_Dundas_Mc_Queen.abc 456 ABC music file with the extracted tune(s)
Tune-23861-2051_Mrs_Dundas_Mc_Queen.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-23861-2051_Mrs_Dundas_Mc_Queen.ps 34275 PostScript
Tune-23861-2051_Mrs_Dundas_Mc_Queen.txt 456 Plain-text file with the extracted tune(s)
Tune-23861-JohnTreat_GftF2.abc 152 ABC music file with the extracted tune(s)
Tune-23861-JohnTreat_GftF2.ps 6 PostScript
Tune-23861-JohnTreat_GftF2.txt 152 Plain-text file with the extracted tune(s)
Tune-23861-get.log 9775 Log file, useful mostly for debugging
These files should be available for 24 hours.