Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/_1001/Gow-CSR1-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2558-Gow-CSR1-abc2.ps) >>/Users/jc/w/tmp/Tune-2558-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/_1001/Gow-CSR1-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-2558-Gow-CSR1-abc2.abc 151 ABC music file with the extracted tune(s)
Tune-2558-Gow-CSR1-abc2.ps 6 PostScript
Tune-2558-Gow-CSR1-abc2.txt 151 Plain-text file with the extracted tune(s)
Tune-2558-get.log 4137 Log file, useful mostly for debugging
Tune-25581-get.log 3402 Log file, useful mostly for debugging
Tune-25584-get.log 5880 Log file, useful mostly for debugging
Tune-25586-get.log 5971 Log file, useful mostly for debugging
Tune-25589-JamesJohnson_ScotsMusicalMuseumV4-V1.abc 173 ABC music file with the extracted tune(s)
Tune-25589-JamesJohnson_ScotsMusicalMuseumV4-V1.pdf 2217 Portable Data Format
Tune-25589-JamesJohnson_ScotsMusicalMuseumV4-V1.ps 6 PostScript
Tune-25589-JamesJohnson_ScotsMusicalMuseumV4-V1.txt 173 Plain-text file with the extracted tune(s)
Tune-25589-get.log 5634 Log file, useful mostly for debugging
These files should be available for 24 hours.