pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37644-morris.ps) >>/Users/jc/w/tmp/Tune-37644-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/England/morris.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-37644-get.log 49735 Log file, useful mostly for debugging
Tune-37644-morris.abc 30729 ABC music file with the extracted tune(s)
Tune-37644-morris.ps 283032 PostScript
Tune-37644-morris.txt 30729 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.