Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/AdvancedSD/RobertBremner_CSRCD1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7920-RobertBremner_CSRCD1.ps) >>/Users/jc/w/tmp/Tune-7920-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/AdvancedSD/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
Find_79206.log 1566 Log file, useful mostly for debugging
Tune-7920-RobertBremner_CSRCD1.abc 163 ABC music file with the extracted tune(s)
Tune-7920-RobertBremner_CSRCD1.ps 6 PostScript
Tune-7920-RobertBremner_CSRCD1.txt 163 Plain-text file with the extracted tune(s)
Tune-7920-get.log 4312 Log file, useful mostly for debugging
Tune-79201-24CountryDances_1813_Button_Whitaker.abc 179 ABC music file with the extracted tune(s)
Tune-79201-24CountryDances_1813_Button_Whitaker.ps 6 PostScript
Tune-79201-24CountryDances_1813_Button_Whitaker.txt 179 Plain-text file with the extracted tune(s)
Tune-79201-get.log 5985 Log file, useful mostly for debugging
Tune-79203-get.log 3403 Log file, useful mostly for debugging
Tune-79204-get.log 5700 Log file, useful mostly for debugging
Tune-79208-2174_Rob_Ralstons_Strathspey-001.svg 29263 Scalable Vector Graphics format
Tune-79208-2174_Rob_Ralstons_Strathspey.abc 635 ABC music file with the extracted tune(s)
Tune-79208-2174_Rob_Ralstons_Strathspey.txt 635 Plain-text file with the extracted tune(s)
Tune-79208-get.log 4541 Log file, useful mostly for debugging
These files should be available for 24 hours.