Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Book49/EverydaySongBook1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7289-EverydaySongBook1.ps) >>/Users/jc/w/tmp/Tune-7289-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Book49/EverydaySongBook1.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_72898.log 559212 Log file, useful mostly for debugging
Tune-7289-EverydaySongBook1.abc 156 ABC music file with the extracted tune(s)
Tune-7289-EverydaySongBook1.ps 6 PostScript
Tune-7289-EverydaySongBook1.txt 156 Plain-text file with the extracted tune(s)
Tune-7289-get.log 4223 Log file, useful mostly for debugging
Tune-72890-get.log 4364 Log file, useful mostly for debugging
Tune-72891-20761-001.svg 23552 Scalable Vector Graphics format
Tune-72891-20761.abc 1089 ABC music file with the extracted tune(s)
Tune-72891-20761.txt 1089 Plain-text file with the extracted tune(s)
Tune-72891-24CountryDances_1808_Goulding_AK.abc 173 ABC music file with the extracted tune(s)
Tune-72891-24CountryDances_1808_Goulding_AK.ps 6 PostScript
Tune-72891-24CountryDances_1808_Goulding_AK.txt 173 Plain-text file with the extracted tune(s)
Tune-72891-get.log 13051 Log file, useful mostly for debugging
Tune-72892-get.log 3951 Log file, useful mostly for debugging
Tune-72893-get.log 9571 Log file, useful mostly for debugging
Tune-72894-get.log 3468 Log file, useful mostly for debugging
Tune-72896-get.log 9818 Log file, useful mostly for debugging
Tune-72898-get.log 3452 Log file, useful mostly for debugging
Tune-72899-get.log 5578 Log file, useful mostly for debugging
These files should be available for 24 hours.