Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/1808/Glen2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5972-Glen2.ps) >>/Users/jc/w/tmp/Tune-5972-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/1808/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-5972-Glen2.abc 142 ABC music file with the extracted tune(s)
Tune-5972-Glen2.ps 6 PostScript
Tune-5972-Glen2.txt 142 Plain-text file with the extracted tune(s)
Tune-5972-get.log 3957 Log file, useful mostly for debugging
Tune-59721-get.log 2797 Log file, useful mostly for debugging
Tune-59722-get.log 1385 Log file, useful mostly for debugging
Tune-59724-get.log 1464 Log file, useful mostly for debugging
Tune-59725-get.log 1385 Log file, useful mostly for debugging
Tune-59726-get.log 3236 Log file, useful mostly for debugging
Tune-59727-24CountryDances_1774_Thompson.abc 172 ABC music file with the extracted tune(s)
Tune-59727-24CountryDances_1774_Thompson.ps 6 PostScript
Tune-59727-24CountryDances_1774_Thompson.txt 172 Plain-text file with the extracted tune(s)
Tune-59727-get.log 8568 Log file, useful mostly for debugging
Tune-59728-RobertPurdie_TomThumb.abc 158 ABC music file with the extracted tune(s)
Tune-59728-RobertPurdie_TomThumb.ps 6 PostScript
Tune-59728-RobertPurdie_TomThumb.txt 158 Plain-text file with the extracted tune(s)
Tune-59728-get.log 4343 Log file, useful mostly for debugging
These files should be available for 24 hours.