pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37252-True_Briton.ps) >>/Users/jc/w/tmp/Tune-37252-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/True_Briton.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_37252.log 940 Log file, useful mostly for debugging
Tune-37252-True_Briton.abc 407 ABC music file with the extracted tune(s)
Tune-37252-True_Briton.ps 32912 PostScript
Tune-37252-True_Briton.txt 407 Plain-text file with the extracted tune(s)
Tune-37252-get.log 79952 Log file, useful mostly for debugging
These files should be available for 24 hours.