Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/jig/CSGBT_1794-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9869-CSGBT_1794-V2.ps) >>/Users/jc/w/tmp/Tune-9869-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jig/CSGBT_1794-V2.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-9869-CSGBT_1794-V2.abc 149 ABC music file with the extracted tune(s)
Tune-9869-CSGBT_1794-V2.ps 6 PostScript
Tune-9869-CSGBT_1794-V2.txt 149 Plain-text file with the extracted tune(s)
Tune-9869-get.log 13440 Log file, useful mostly for debugging
Tune-98690-get.log 3904 Log file, useful mostly for debugging
Tune-98691-get.log 4600 Log file, useful mostly for debugging
Tune-98696-Collections.abc 148 ABC music file with the extracted tune(s)
Tune-98696-Collections.pdf 2217 Portable Data Format
Tune-98696-Collections.ps 6 PostScript
Tune-98696-Collections.txt 148 Plain-text file with the extracted tune(s)
Tune-98696-get.log 9877 Log file, useful mostly for debugging
Tune-98697-Barsanti_CoOST.abc 151 ABC music file with the extracted tune(s)
Tune-98697-Barsanti_CoOST.pdf 2217 Portable Data Format
Tune-98697-Barsanti_CoOST.ps 6 PostScript
Tune-98697-Barsanti_CoOST.txt 151 Plain-text file with the extracted tune(s)
Tune-98697-get.log 18445 Log file, useful mostly for debugging
Tune-98698-get.log 4280 Log file, useful mostly for debugging
These files should be available for 24 hours.