Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book14/1769_Bremner_SRCD.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5187-1769_Bremner_SRCD.ps) >>/Users/jc/w/tmp/Tune-5187-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book14/1769_Bremner_SRCD.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-5187-1769_Bremner_SRCD.abc 156 ABC music file with the extracted tune(s)
Tune-5187-1769_Bremner_SRCD.ps 6 PostScript
Tune-5187-1769_Bremner_SRCD.txt 156 Plain-text file with the extracted tune(s)
Tune-5187-get.log 4223 Log file, useful mostly for debugging
Tune-51872-Gow-CSR1-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-51872-Gow-CSR1-abc1.ps 6 PostScript
Tune-51872-Gow-CSR1-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-51872-get.log 4171 Log file, useful mostly for debugging
Tune-51875-Book14.abc 26441 ABC music file with the extracted tune(s)
Tune-51875-Book14.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-51875-Book14.ps 285546 PostScript
Tune-51875-Book14.txt 26441 Plain-text file with the extracted tune(s)
Tune-51875-get.log 33037 Log file, useful mostly for debugging
These files should be available for 24 hours.