Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/EDM/Gow-CSR1-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4068-Gow-CSR1-abc2.ps) >>/Users/jc/w/tmp/Tune-4068-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EDM/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-4068-Gow-CSR1-abc2.abc 149 ABC music file with the extracted tune(s)
Tune-4068-Gow-CSR1-abc2.ps 6 PostScript
Tune-4068-Gow-CSR1-abc2.txt 149 Plain-text file with the extracted tune(s)
Tune-4068-get.log 4121 Log file, useful mostly for debugging
Tune-40680-get.log 4133 Log file, useful mostly for debugging
Tune-40681-get.log 3609 Log file, useful mostly for debugging
Tune-40682-get.log 3295 Log file, useful mostly for debugging
Tune-40683-get.log 5278 Log file, useful mostly for debugging
Tune-40686-Playford_COST.abc 150 ABC music file with the extracted tune(s)
Tune-40686-Playford_COST.txt 150 Plain-text file with the extracted tune(s)
Tune-40686-get.log 8733 Log file, useful mostly for debugging
These files should be available for 24 hours.