Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/GlendarrochSDS/RobertBremner_CSRCD1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6249-RobertBremner_CSRCD1.ps) >>/Users/jc/w/tmp/Tune-6249-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/GlendarrochSDS/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_62496.log 996623 Log file, useful mostly for debugging
Tune-6249-RobertBremner_CSRCD1.abc 167 ABC music file with the extracted tune(s)
Tune-6249-RobertBremner_CSRCD1.ps 6 PostScript
Tune-6249-RobertBremner_CSRCD1.txt 167 Plain-text file with the extracted tune(s)
Tune-6249-get.log 10036 Log file, useful mostly for debugging
Tune-62490-get.log 9171 Log file, useful mostly for debugging
Tune-62492-get.log 6662 Log file, useful mostly for debugging
Tune-62494-get.log 5304 Log file, useful mostly for debugging
Tune-62495-get.log 5417 Log file, useful mostly for debugging
Tune-62496-get.log 3404 Log file, useful mostly for debugging
Tune-62497-get.log 3964 Log file, useful mostly for debugging
Tune-62498-get.log 3366 Log file, useful mostly for debugging
Tune-62499-get.log 7849 Log file, useful mostly for debugging
These files should be available for 24 hours.