Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/kendy/MichaelDabney_12Minuets12Dances-1760-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5370-MichaelDabney_12Minuets12Dances-1760-V2.ps) >>/Users/jc/w/tmp/Tune-5370-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/kendy/MichaelDabney_12Minuets12Dances-1760-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-5370-MichaelDabney_12Minuets12Dances-1760-V2.abc 177 ABC music file with the extracted tune(s)
Tune-5370-MichaelDabney_12Minuets12Dances-1760-V2.ps 6 PostScript
Tune-5370-MichaelDabney_12Minuets12Dances-1760-V2.txt 177 Plain-text file with the extracted tune(s)
Tune-5370-get.log 4681 Log file, useful mostly for debugging
Tune-53700-get.log 51074 Log file, useful mostly for debugging
Tune-53703-get.log 5218 Log file, useful mostly for debugging
Tune-53704-get.log 9021 Log file, useful mostly for debugging
Tune-53705-get.log 10292 Log file, useful mostly for debugging
Tune-53706-get.log 11065 Log file, useful mostly for debugging
Tune-53708-get.log 4469 Log file, useful mostly for debugging
These files should be available for 24 hours.