Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Tunes/Pringle.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4573-Pringle.ps) >>/Users/jc/w/tmp/Tune-4573-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Tunes/Pringle.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-4573-Pringle.abc 145 ABC music file with the extracted tune(s)
Tune-4573-Pringle.ps 6 PostScript
Tune-4573-Pringle.txt 145 Plain-text file with the extracted tune(s)
Tune-4573-get.log 4007 Log file, useful mostly for debugging
Tune-45731-Rutherford_Compleat_Collection_V2.abc 171 ABC music file with the extracted tune(s)
Tune-45731-Rutherford_Compleat_Collection_V2.ps 6 PostScript
Tune-45731-Rutherford_Compleat_Collection_V2.txt 171 Plain-text file with the extracted tune(s)
Tune-45731-get.log 10364 Log file, useful mostly for debugging
Tune-45732-get.log 8259 Log file, useful mostly for debugging
Tune-45734-get.log 4138 Log file, useful mostly for debugging
Tune-45737-get.log 4366 Log file, useful mostly for debugging
Tune-45739-get.log 4137 Log file, useful mostly for debugging
These files should be available for 24 hours.