Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1766/Garryowen_with_variations_.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5957-Garryowen_with_variations_.ps) >>/Users/jc/w/tmp/Tune-5957-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1766/Garryowen_with_variations_.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_5957.log 290411 Log file, useful mostly for debugging
Coll_59570.log 289012 Log file, useful mostly for debugging
Tune-5957-Garryowen_with_variations_.abc 163 ABC music file with the extracted tune(s)
Tune-5957-Garryowen_with_variations_.ps 6 PostScript
Tune-5957-Garryowen_with_variations_.txt 163 Plain-text file with the extracted tune(s)
Tune-5957-get.log 4404 Log file, useful mostly for debugging
Tune-59571-Kerr_MM3-V2.abc 148 ABC music file with the extracted tune(s)
Tune-59571-Kerr_MM3-V2.ps 6 PostScript
Tune-59571-Kerr_MM3-V2.txt 148 Plain-text file with the extracted tune(s)
Tune-59571-get.log 4133 Log file, useful mostly for debugging
Tune-59575-get.log 3222 Log file, useful mostly for debugging
These files should be available for 24 hours.