Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/slipjig/MichaelDabney_12Minuets12Dances-1760-V1.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8403-MichaelDabney_12Minuets12Dances-1760-V1.ps) >>/Users/jc/w/tmp/Tune-8403-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/slipjig/MichaelDabney_12Minuets12Dances-1760-V1.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_84032.log 152582 Log file, useful mostly for debugging
Tune-8403-MichaelDabney_12Minuets12Dances-1760-V1.abc 179 ABC music file with the extracted tune(s)
Tune-8403-MichaelDabney_12Minuets12Dances-1760-V1.ps 6 PostScript
Tune-8403-MichaelDabney_12Minuets12Dances-1760-V1.txt 179 Plain-text file with the extracted tune(s)
Tune-8403-get.log 9078 Log file, useful mostly for debugging
Tune-84031-get.log 4003 Log file, useful mostly for debugging
Tune-84032-get.log 4457 Log file, useful mostly for debugging
Tune-84033-get.log 4222 Log file, useful mostly for debugging
Tune-84036-get.log 9824 Log file, useful mostly for debugging
Tune-84039-get.log 5023 Log file, useful mostly for debugging
These files should be available for 24 hours.