Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/SDA/24FavouriteDances_1784_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5997-24FavouriteDances_1784_Straight.ps) >>/Users/jc/w/tmp/Tune-5997-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/SDA/24FavouriteDances_1784_Straight.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-5997-24FavouriteDances_1784_Straight.abc 167 ABC music file with the extracted tune(s)
Tune-5997-24FavouriteDances_1784_Straight.ps 6 PostScript
Tune-5997-24FavouriteDances_1784_Straight.txt 167 Plain-text file with the extracted tune(s)
Tune-5997-get.log 4495 Log file, useful mostly for debugging
Tune-59970-get.log 3186 Log file, useful mostly for debugging
Tune-59972-get.log 4300 Log file, useful mostly for debugging
Tune-59973-get.log 4201 Log file, useful mostly for debugging
Tune-59974-get.log 5375 Log file, useful mostly for debugging
Tune-59975-get.log 4684 Log file, useful mostly for debugging
Tune-59978-get.log 3492 Log file, useful mostly for debugging
Tune-59979-SCD_Book49-V1.abc 166 ABC music file with the extracted tune(s)
Tune-59979-SCD_Book49-V1.txt 166 Plain-text file with the extracted tune(s)
Tune-59979-get.log 3334 Log file, useful mostly for debugging
These files should be available for 24 hours.