Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/4NCD/GoldenBookOfFavoriteSongs1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5330-GoldenBookOfFavoriteSongs1.ps) >>/Users/jc/w/tmp/Tune-5330-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/4NCD/GoldenBookOfFavoriteSongs1.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_5330.log 1008500 Log file, useful mostly for debugging
Coll_53307.log 278710 Log file, useful mostly for debugging
Tune-5330-GoldenBookOfFavoriteSongs1.abc 163 ABC music file with the extracted tune(s)
Tune-5330-GoldenBookOfFavoriteSongs1.ps 6 PostScript
Tune-5330-GoldenBookOfFavoriteSongs1.txt 163 Plain-text file with the extracted tune(s)
Tune-5330-get.log 4398 Log file, useful mostly for debugging
Tune-53304-get.log 6666 Log file, useful mostly for debugging
Tune-53306-IgnatiusSancho_MCCD_v2.abc 161 ABC music file with the extracted tune(s)
Tune-53306-IgnatiusSancho_MCCD_v2.ps 6 PostScript
Tune-53306-IgnatiusSancho_MCCD_v2.txt 161 Plain-text file with the extracted tune(s)
Tune-53306-get.log 4257 Log file, useful mostly for debugging
These files should be available for 24 hours.