Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Tweed1/Pat_Shaw_NewWineInOldBottles.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7044-Pat_Shaw_NewWineInOldBottles.ps) >>/Users/jc/w/tmp/Tune-7044-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Tweed1/Pat_Shaw_NewWineInOldBottles.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_70442.log 161667 Log file, useful mostly for debugging
Coll_70443.log 112266 Log file, useful mostly for debugging
Coll_70444.log 151916 Log file, useful mostly for debugging
Tune-7044-Pat_Shaw_NewWineInOldBottles.abc 167 ABC music file with the extracted tune(s)
Tune-7044-Pat_Shaw_NewWineInOldBottles.ps 6 PostScript
Tune-7044-Pat_Shaw_NewWineInOldBottles.txt 167 Plain-text file with the extracted tune(s)
Tune-7044-get.log 4450 Log file, useful mostly for debugging
Tune-70441-get.log 4373 Log file, useful mostly for debugging
Tune-70442-24CountryDances_1798_Preston.abc 166 ABC music file with the extracted tune(s)
Tune-70442-24CountryDances_1798_Preston.txt 166 Plain-text file with the extracted tune(s)
Tune-70442-get.log 8409 Log file, useful mostly for debugging
Tune-70443-get.log 3871 Log file, useful mostly for debugging
Tune-70446-get.log 3608 Log file, useful mostly for debugging
Tune-70447-get.log 5909 Log file, useful mostly for debugging
Tune-70449-get.log 7921 Log file, useful mostly for debugging
These files should be available for 24 hours.