Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1751/Feuillet_Essex_FtFIoD2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6982-Feuillet_Essex_FtFIoD2.ps) >>/Users/jc/w/tmp/Tune-6982-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1751/Feuillet_Essex_FtFIoD2.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_69820.log 312283 Log file, useful mostly for debugging
Tune-6982-Feuillet_Essex_FtFIoD2.abc 159 ABC music file with the extracted tune(s)
Tune-6982-Feuillet_Essex_FtFIoD2.ps 6 PostScript
Tune-6982-Feuillet_Essex_FtFIoD2.txt 159 Plain-text file with the extracted tune(s)
Tune-6982-get.log 4320 Log file, useful mostly for debugging
Tune-69820-get.log 3520 Log file, useful mostly for debugging
Tune-69821-get.log 4504 Log file, useful mostly for debugging
Tune-69827-get.log 3544 Log file, useful mostly for debugging
Tune-69828-get.log 3208 Log file, useful mostly for debugging
These files should be available for 24 hours.