Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/slide/Brewer_NewInstructionsForTheClarinet.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6931-Brewer_NewInstructionsForTheClarinet.ps) >>/Users/jc/w/tmp/Tune-6931-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/slide/Brewer_NewInstructionsForTheClarinet.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-6931-Brewer_NewInstructionsForTheClarinet.abc 174 ABC music file with the extracted tune(s)
Tune-6931-Brewer_NewInstructionsForTheClarinet.ps 6 PostScript
Tune-6931-Brewer_NewInstructionsForTheClarinet.txt 174 Plain-text file with the extracted tune(s)
Tune-6931-get.log 4616 Log file, useful mostly for debugging
Tune-69310-get.log 5580 Log file, useful mostly for debugging
Tune-69311-get.log 9230 Log file, useful mostly for debugging
Tune-69314-get.log 5300 Log file, useful mostly for debugging
Tune-69315-get.log 14995 Log file, useful mostly for debugging
Tune-69317-get.log 1398 Log file, useful mostly for debugging
Tune-69318-Tune-68462-24CountryDances_1805_Thompson.abc 192 ABC music file with the extracted tune(s)
Tune-69318-Tune-68462-24CountryDances_1805_Thompson.txt 192 Plain-text file with the extracted tune(s)
Tune-69318-get.log 11347 Log file, useful mostly for debugging
Tune-69319-get.log 5725 Log file, useful mostly for debugging
These files should be available for 24 hours.