Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/_1001/Gow-CR-abc1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8215-Gow-CR-abc1.ps) >>/Users/jc/w/tmp/Tune-8215-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/_1001/Gow-CR-abc1.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-8215-Gow-CR-abc1.abc 149 ABC music file with the extracted tune(s)
Tune-8215-Gow-CR-abc1.ps 6 PostScript
Tune-8215-Gow-CR-abc1.txt 149 Plain-text file with the extracted tune(s)
Tune-8215-get.log 4095 Log file, useful mostly for debugging
Tune-82151-KittyBridges_1745_NO.abc 163 ABC music file with the extracted tune(s)
Tune-82151-KittyBridges_1745_NO.ps 6 PostScript
Tune-82151-KittyBridges_1745_NO.txt 163 Plain-text file with the extracted tune(s)
Tune-82151-get.log 4360 Log file, useful mostly for debugging
Tune-82152-get.log 6555 Log file, useful mostly for debugging
Tune-82155-flowers_of_Edinburgh.abc 157 ABC music file with the extracted tune(s)
Tune-82155-flowers_of_Edinburgh.pdf 2217 Portable Data Format
Tune-82155-flowers_of_Edinburgh.ps 6 PostScript
Tune-82155-flowers_of_Edinburgh.txt 157 Plain-text file with the extracted tune(s)
Tune-82155-get.log 5176 Log file, useful mostly for debugging
Tune-82157-get.log 5330 Log file, useful mostly for debugging
Tune-82158-get.log 1396 Log file, useful mostly for debugging
Tune-82159-get.log 3067 Log file, useful mostly for debugging
These files should be available for 24 hours.