Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/ScotsMusicalMuseumV5/DanielWright_CCCCD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6074-DanielWright_CCCCD.ps) >>/Users/jc/w/tmp/Tune-6074-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/ScotsMusicalMuseumV5/DanielWright_CCCCD.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-6074-DanielWright_CCCCD.abc 171 ABC music file with the extracted tune(s)
Tune-6074-DanielWright_CCCCD.ps 6 PostScript
Tune-6074-DanielWright_CCCCD.txt 171 Plain-text file with the extracted tune(s)
Tune-6074-get.log 9173 Log file, useful mostly for debugging
Tune-60740-get.log 8241 Log file, useful mostly for debugging
Tune-60742-Jean_Henry_dAnglebert_PdC2.abc 170 ABC music file with the extracted tune(s)
Tune-60742-Jean_Henry_dAnglebert_PdC2.ps 6 PostScript
Tune-60742-Jean_Henry_dAnglebert_PdC2.txt 170 Plain-text file with the extracted tune(s)
Tune-60742-get.log 8611 Log file, useful mostly for debugging
Tune-60743-get.log 8850 Log file, useful mostly for debugging
Tune-60744-get.log 3110 Log file, useful mostly for debugging
Tune-60749-get.log 4363 Log file, useful mostly for debugging
These files should be available for 24 hours.