Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/misc/William_Clarke_MS_1770.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5741-William_Clarke_MS_1770.ps) >>/Users/jc/w/tmp/Tune-5741-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/misc/William_Clarke_MS_1770.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_57415.log 266611 Log file, useful mostly for debugging
Tune-5741-William_Clarke_MS_1770.abc 159 ABC music file with the extracted tune(s)
Tune-5741-William_Clarke_MS_1770.ps 6 PostScript
Tune-5741-William_Clarke_MS_1770.txt 159 Plain-text file with the extracted tune(s)
Tune-5741-get.log 4316 Log file, useful mostly for debugging
Tune-57410-get.log 1438 Log file, useful mostly for debugging
Tune-57412-get.log 3223 Log file, useful mostly for debugging
Tune-57418-LondonMagazine.abc 151 ABC music file with the extracted tune(s)
Tune-57418-LondonMagazine.ps 6 PostScript
Tune-57418-LondonMagazine.txt 151 Plain-text file with the extracted tune(s)
Tune-57418-get.log 4077 Log file, useful mostly for debugging
Tune-57419-Rinnci_na_hEireann.abc 155 ABC music file with the extracted tune(s)
Tune-57419-Rinnci_na_hEireann.pdf 2217 Portable Data Format
Tune-57419-Rinnci_na_hEireann.ps 6 PostScript
Tune-57419-Rinnci_na_hEireann.txt 155 Plain-text file with the extracted tune(s)
Tune-57419-get.log 5114 Log file, useful mostly for debugging
These files should be available for 24 hours.