Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/tune/RobertBremner_CSRCD1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-57049-RobertBremner_CSRCD1.ps) >>/Users/jc/w/tmp/Tune-57049-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/tune/RobertBremner_CSRCD1.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_57049.log 441693 Log file, useful mostly for debugging
Tune-57049-Hamilton_HUTB1-1844-V2.abc 159 ABC music file with the extracted tune(s)
Tune-57049-Hamilton_HUTB1-1844-V2.pdf 2217 Portable Data Format
Tune-57049-Hamilton_HUTB1-1844-V2.ps 6 PostScript
Tune-57049-Hamilton_HUTB1-1844-V2.txt 159 Plain-text file with the extracted tune(s)
Tune-57049-RobertBremner_CSRCD1.abc 157 ABC music file with the extracted tune(s)
Tune-57049-RobertBremner_CSRCD1.ps 6 PostScript
Tune-57049-RobertBremner_CSRCD1.txt 157 Plain-text file with the extracted tune(s)
Tune-57049-get.log 9523 Log file, useful mostly for debugging
These files should be available for 24 hours.