Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/HUTB1/JohnTreat_GftF2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6398-JohnTreat_GftF2.ps) >>/Users/jc/w/tmp/Tune-6398-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/HUTB1/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-6398-JohnTreat_GftF2.abc 153 ABC music file with the extracted tune(s)
Tune-6398-JohnTreat_GftF2.ps 6 PostScript
Tune-6398-JohnTreat_GftF2.txt 153 Plain-text file with the extracted tune(s)
Tune-6398-get.log 10442 Log file, useful mostly for debugging
Tune-63981-get.log 5585 Log file, useful mostly for debugging
Tune-63982-get.log 9301 Log file, useful mostly for debugging
Tune-63983-get.log 9511 Log file, useful mostly for debugging
Tune-63987-SkillernChalloner_PCD1.abc 161 ABC music file with the extracted tune(s)
Tune-63987-SkillernChalloner_PCD1.ps 6 PostScript
Tune-63987-SkillernChalloner_PCD1.txt 161 Plain-text file with the extracted tune(s)
Tune-63987-get.log 8712 Log file, useful mostly for debugging
Tune-63989-get.log 4163 Log file, useful mostly for debugging
These files should be available for 24 hours.