Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Gow/CR4-abc1.pdf/CSR4-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8263-CSR4-abc2.ps) >>/Users/jc/w/tmp/Tune-8263-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Gow/CR4-abc1.pdf/CSR4-abc2.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-8263-CSR4-abc2.abc 158 ABC music file with the extracted tune(s)
Tune-8263-CSR4-abc2.ps 6 PostScript
Tune-8263-CSR4-abc2.txt 158 Plain-text file with the extracted tune(s)
Tune-8263-get.log 4115 Log file, useful mostly for debugging
Tune-82630-get.log 1405 Log file, useful mostly for debugging
Tune-82632-24CountryDances_1804TP_Preston.abc 167 ABC music file with the extracted tune(s)
Tune-82632-24CountryDances_1804TP_Preston.ps 6 PostScript
Tune-82632-24CountryDances_1804TP_Preston.txt 167 Plain-text file with the extracted tune(s)
Tune-82632-get.log 4413 Log file, useful mostly for debugging
Tune-82634-get.log 7210 Log file, useful mostly for debugging
Tune-82635-get.log 4512 Log file, useful mostly for debugging
Tune-82637-get.log 4363 Log file, useful mostly for debugging
These files should be available for 24 hours.