Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book07/ThomasBraysCountryDances1699.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9756-ThomasBraysCountryDances1699.ps) >>/Users/jc/w/tmp/Tune-9756-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book07/ThomasBraysCountryDances1699.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-9756-ThomasBraysCountryDances1699.abc 167 ABC music file with the extracted tune(s)
Tune-9756-ThomasBraysCountryDances1699.ps 6 PostScript
Tune-9756-ThomasBraysCountryDances1699.txt 167 Plain-text file with the extracted tune(s)
Tune-9756-get.log 4454 Log file, useful mostly for debugging
Tune-97560-get.log 12680 Log file, useful mostly for debugging
Tune-97561-get.log 8102 Log file, useful mostly for debugging
Tune-97562-get.log 9464 Log file, useful mostly for debugging
Tune-97563-get.log 3536 Log file, useful mostly for debugging
Tune-97566-get.log 3550 Log file, useful mostly for debugging
Tune-97567-get.log 4138 Log file, useful mostly for debugging
Tune-97568-get.log 4666 Log file, useful mostly for debugging
Tune-97569-get.log 3888 Log file, useful mostly for debugging
These files should be available for 24 hours.