Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/slide/Garryowen_with_variations_.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-61307-Garryowen_with_variations_.ps) >>/Users/jc/w/tmp/Tune-61307-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/slide/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
Tune-61307-Garryowen_with_variations_.abc 164 ABC music file with the extracted tune(s)
Tune-61307-Garryowen_with_variations_.ps 6 PostScript
Tune-61307-Garryowen_with_variations_.txt 164 Plain-text file with the extracted tune(s)
Tune-61307-get.log 9825 Log file, useful mostly for debugging
Tune-96076-Tune-61307-651_Merry_Meeting.abc 180 ABC music file with the extracted tune(s)
Tune-96076-Tune-61307-651_Merry_Meeting.ps 6 PostScript
Tune-96076-Tune-61307-651_Merry_Meeting.txt 180 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.