Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Highland_Laddy.abc/Landrin_Potpourri.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9322-Landrin_Potpourri.ps) >>/Users/jc/w/tmp/Tune-9322-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Highland_Laddy.abc/Landrin_Potpourri.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_93223.log 807 Log file, useful mostly for debugging
Form_93229.log 938 Log file, useful mostly for debugging
Tune-9322-Landrin_Potpourri.abc 168 ABC music file with the extracted tune(s)
Tune-9322-Landrin_Potpourri.ps 6 PostScript
Tune-9322-Landrin_Potpourri.txt 168 Plain-text file with the extracted tune(s)
Tune-9322-get.log 5684 Log file, useful mostly for debugging
Tune-93220-24CountryDances_1791_Thompson-001.svg 48013 Scalable Vector Graphics format
Tune-93220-24CountryDances_1791_Thompson-002.svg 90663 Scalable Vector Graphics format
Tune-93220-24CountryDances_1791_Thompson-003.svg 69870 Scalable Vector Graphics format
Tune-93220-24CountryDances_1791_Thompson-004.svg 80516 Scalable Vector Graphics format
Tune-93220-24CountryDances_1791_Thompson-005.svg 41567 Scalable Vector Graphics format
Tune-93220-24CountryDances_1791_Thompson.abc 16904 ABC music file with the extracted tune(s)
Tune-93220-24CountryDances_1791_Thompson.txt 16904 Plain-text file with the extracted tune(s)
Tune-93220-get.log 25222 Log file, useful mostly for debugging
Tune-93228-get.log 5383 Log file, useful mostly for debugging
These files should be available for 24 hours.