Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/1784/HaandMeDoonDaFiddle.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4883-HaandMeDoonDaFiddle.ps) >>/Users/jc/w/tmp/Tune-4883-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/1784/HaandMeDoonDaFiddle.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_48830.log 297410 Log file, useful mostly for debugging
Tune-4883-HaandMeDoonDaFiddle.abc 156 ABC music file with the extracted tune(s)
Tune-4883-HaandMeDoonDaFiddle.ps 6 PostScript
Tune-4883-HaandMeDoonDaFiddle.txt 156 Plain-text file with the extracted tune(s)
Tune-4883-get.log 4257 Log file, useful mostly for debugging
Tune-48831-24CountryDances_1780_Thompson.abc 166 ABC music file with the extracted tune(s)
Tune-48831-24CountryDances_1780_Thompson.ps 6 PostScript
Tune-48831-24CountryDances_1780_Thompson.txt 166 Plain-text file with the extracted tune(s)
Tune-48831-get.log 4388 Log file, useful mostly for debugging
Tune-48835-24CountryDances_1780_Skillern.abc 166 ABC music file with the extracted tune(s)
Tune-48835-24CountryDances_1780_Skillern.txt 166 Plain-text file with the extracted tune(s)
Tune-48835-get.log 3524 Log file, useful mostly for debugging
These files should be available for 24 hours.