pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-32943-192.ps) >>/Users/jc/w/tmp/Tune-32943-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/192=God_Ever_Glorious-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
Form_32943.log 994 Log file, useful mostly for debugging
Tune-32943-192.abc 1680 ABC music file with the extracted tune(s)
Tune-32943-192.ps 41745 PostScript
Tune-32943-192.txt 1680 Plain-text file with the extracted tune(s)
Tune-32943-get.log 18315 Log file, useful mostly for debugging
Tune-32943-jig.abc 170 ABC music file with the extracted tune(s)
Tune-32943-jig.ps 6 PostScript
Tune-32943-jig.txt 170 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.