Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Stewart/Riddell/tmp/Tune-49679-ViolaRuth_PWFT.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4249-Tune-49679-ViolaRuth_PWFT.ps) >>/Users/jc/w/tmp/Tune-4249-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Stewart/Riddell/tmp/Tune-49679-ViolaRuth_PWFT.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_42492.log 468209 Log file, useful mostly for debugging
Coll_42496.log 240010 Log file, useful mostly for debugging
Tune-4249-Tune-49679-ViolaRuth_PWFT.abc 177 ABC music file with the extracted tune(s)
Tune-4249-Tune-49679-ViolaRuth_PWFT.ps 6 PostScript
Tune-4249-Tune-49679-ViolaRuth_PWFT.txt 177 Plain-text file with the extracted tune(s)
Tune-4249-get.log 4471 Log file, useful mostly for debugging
Tune-42496-get.log 1598 Log file, useful mostly for debugging
These files should be available for 24 hours.