pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-93507-CoilsfieldHouse1_G.ps) >>/Users/jc/w/tmp/Tune-93507-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/air/CoilsfieldHouse1_G.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-93507-CoilsfieldHouse1_G.abc 664 ABC music file with the extracted tune(s)
Tune-93507-CoilsfieldHouse1_G.ps 38980 PostScript
Tune-93507-CoilsfieldHouse1_G.txt 664 Plain-text file with the extracted tune(s)
Tune-93507-get.log 4472 Log file, useful mostly for debugging
These files should be available for 24 hours.