Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1792/OldEnglishCountryDances.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9484-OldEnglishCountryDances.ps) >>/Users/jc/w/tmp/Tune-9484-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1792/OldEnglishCountryDances.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-9484-OldEnglishCountryDances.abc 160 ABC music file with the extracted tune(s)
Tune-9484-OldEnglishCountryDances.ps 6 PostScript
Tune-9484-OldEnglishCountryDances.txt 160 Plain-text file with the extracted tune(s)
Tune-9484-get.log 7777 Log file, useful mostly for debugging
Tune-94841-get.log 7869 Log file, useful mostly for debugging
Tune-94843-get.log 17059 Log file, useful mostly for debugging
Tune-94845-get.log 5549 Log file, useful mostly for debugging
Tune-94848-get.log 4426 Log file, useful mostly for debugging
Tune-94849-MichaelDabney_12Minuets12Dances-1760-V2.abc 184 ABC music file with the extracted tune(s)
Tune-94849-MichaelDabney_12Minuets12Dances-1760-V2.txt 184 Plain-text file with the extracted tune(s)
Tune-94849-get.log 3756 Log file, useful mostly for debugging
These files should be available for 24 hours.