pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4232-Muckin_o_Geordies_Byre.ps) >>/Users/jc/w/tmp/Tune-4232-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/NEFR/T/Muckin_o_Geordies_Byre.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
Form_42328.log 867 Log file, useful mostly for debugging
Tune-4232-Muckin_o_Geordies_Byre.abc 423 ABC music file with the extracted tune(s)
Tune-4232-Muckin_o_Geordies_Byre.ps 34470 PostScript
Tune-4232-Muckin_o_Geordies_Byre.txt 423 Plain-text file with the extracted tune(s)
Tune-4232-get.log 6014 Log file, useful mostly for debugging
Tune-42322-get.log 3344 Log file, useful mostly for debugging
Tune-42324-get.log 3684 Log file, useful mostly for debugging
These files should be available for 24 hours.