Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/MM1/WilliamCampbell_10thBook_1798-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5981-WilliamCampbell_10thBook_1798-V1.ps) >>/Users/jc/w/tmp/Tune-5981-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/MM1/WilliamCampbell_10thBook_1798-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_59818.log 115827 Log file, useful mostly for debugging
Tune-5981-WilliamCampbell_10thBook_1798-V1.abc 168 ABC music file with the extracted tune(s)
Tune-5981-WilliamCampbell_10thBook_1798-V1.ps 6 PostScript
Tune-5981-WilliamCampbell_10thBook_1798-V1.txt 168 Plain-text file with the extracted tune(s)
Tune-5981-get.log 4520 Log file, useful mostly for debugging
Tune-59810-ArthursSeatWaltzes.abc 155 ABC music file with the extracted tune(s)
Tune-59810-ArthursSeatWaltzes.ps 6 PostScript
Tune-59810-ArthursSeatWaltzes.txt 155 Plain-text file with the extracted tune(s)
Tune-59810-get.log 4278 Log file, useful mostly for debugging
Tune-59811-get.log 1385 Log file, useful mostly for debugging
Tune-59814-get.log 1323 Log file, useful mostly for debugging
Tune-59817-get.log 7945 Log file, useful mostly for debugging
These files should be available for 24 hours.