Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1770/Gallini_NewColl44Cot1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7968-Gallini_NewColl44Cot1.ps) >>/Users/jc/w/tmp/Tune-7968-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1770/Gallini_NewColl44Cot1.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-7968-Gallini_NewColl44Cot1.abc 158 ABC music file with the extracted tune(s)
Tune-7968-Gallini_NewColl44Cot1.ps 6 PostScript
Tune-7968-Gallini_NewColl44Cot1.txt 158 Plain-text file with the extracted tune(s)
Tune-7968-get.log 4291 Log file, useful mostly for debugging
Tune-79681-Garryowen_with_variations_.abc 163 ABC music file with the extracted tune(s)
Tune-79681-Garryowen_with_variations_.pdf 2217 Portable Data Format
Tune-79681-Garryowen_with_variations_.ps 6 PostScript
Tune-79681-Garryowen_with_variations_.txt 163 Plain-text file with the extracted tune(s)
Tune-79681-get.log 5348 Log file, useful mostly for debugging
Tune-79683-HillCountryTunes.abc 153 ABC music file with the extracted tune(s)
Tune-79683-HillCountryTunes.ps 6 PostScript
Tune-79683-HillCountryTunes.txt 153 Plain-text file with the extracted tune(s)
Tune-79683-get.log 4119 Log file, useful mostly for debugging
Tune-79687-get.log 5494 Log file, useful mostly for debugging
Tune-79689-get.log 3984 Log file, useful mostly for debugging
These files should be available for 24 hours.