Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/NewColl44Cot/Glen2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6592-Glen2.ps) >>/Users/jc/w/tmp/Tune-6592-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/NewColl44Cot/Glen2.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-6592-Glen2.abc 150 ABC music file with the extracted tune(s)
Tune-6592-Glen2.ps 6 PostScript
Tune-6592-Glen2.txt 150 Plain-text file with the extracted tune(s)
Tune-6592-get.log 13309 Log file, useful mostly for debugging
Tune-65921-get.log 8244 Log file, useful mostly for debugging
Tune-65922-Hamilton_HUTB1-1844-V2.abc 158 ABC music file with the extracted tune(s)
Tune-65922-Hamilton_HUTB1-1844-V2.txt 158 Plain-text file with the extracted tune(s)
Tune-65922-get.log 7921 Log file, useful mostly for debugging
Tune-65923-get.log 21023 Log file, useful mostly for debugging
Tune-65924-Thompson_V4_1773-1780_PD.abc 169 ABC music file with the extracted tune(s)
Tune-65924-Thompson_V4_1773-1780_PD.txt 169 Plain-text file with the extracted tune(s)
Tune-65924-get.log 7642 Log file, useful mostly for debugging
Tune-65925-get.log 4179 Log file, useful mostly for debugging
Tune-65927-get.log 3238 Log file, useful mostly for debugging
Tune-65928-get.log 4052 Log file, useful mostly for debugging
These files should be available for 24 hours.