Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/Book16/HibernianMuse-V2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2733-HibernianMuse-V2.ps) >>/Users/jc/w/tmp/Tune-2733-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Book16/HibernianMuse-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
Find_2733.log 1711 Log file, useful mostly for debugging
Find_27334.log 1734 Log file, useful mostly for debugging
Tune-2733-HibernianMuse-V2.abc 155 ABC music file with the extracted tune(s)
Tune-2733-HibernianMuse-V2.ps 6 PostScript
Tune-2733-HibernianMuse-V2.txt 155 Plain-text file with the extracted tune(s)
Tune-2733-get.log 4206 Log file, useful mostly for debugging
Tune-27331-get.log 4757 Log file, useful mostly for debugging
Tune-27333-get.log 4175 Log file, useful mostly for debugging
Tune-27335-get.log 4158 Log file, useful mostly for debugging
Tune-27336-get.log 4317 Log file, useful mostly for debugging
Tune-27338-get.log 10402 Log file, useful mostly for debugging
These files should be available for 24 hours.