Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Rare_Small/24CountryDances_1799_Skillern.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4211-24CountryDances_1799_Skillern.ps) >>/Users/jc/w/tmp/Tune-4211-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Rare_Small/24CountryDances_1799_Skillern.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_42117.log 1534 Log file, useful mostly for debugging
Tune-4211-24CountryDances_1799_Skillern.abc 172 ABC music file with the extracted tune(s)
Tune-4211-24CountryDances_1799_Skillern.ps 6 PostScript
Tune-4211-24CountryDances_1799_Skillern.txt 172 Plain-text file with the extracted tune(s)
Tune-4211-get.log 4503 Log file, useful mostly for debugging
Tune-42112-20432_Butlers_Hornpipe.abc 669 ABC music file with the extracted tune(s)
Tune-42112-20432_Butlers_Hornpipe.ps 34777 PostScript
Tune-42112-20432_Butlers_Hornpipe.txt 669 Plain-text file with the extracted tune(s)
Tune-42112-get.log 12363 Log file, useful mostly for debugging
Tune-42113-get.log 15083 Log file, useful mostly for debugging
Tune-42114-get.log 3903 Log file, useful mostly for debugging
Tune-42115-get.log 3512 Log file, useful mostly for debugging
Tune-42116-get.log 4271 Log file, useful mostly for debugging
Tune-42117-get.log 4728 Log file, useful mostly for debugging
Tune-42118-get.log 12735 Log file, useful mostly for debugging
These files should be available for 24 hours.