pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3898-Mrs_Mary_Stoker.ps) >>/Users/jc/w/tmp/Tune-3898-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/strathspey/Mrs_Mary_Stoker.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_3898.log 867 Log file, useful mostly for debugging
Form_38986.log 828 Log file, useful mostly for debugging
Tune-3898-Mrs_Mary_Stoker.abc 507 ABC music file with the extracted tune(s)
Tune-3898-Mrs_Mary_Stoker.ps 37050 PostScript
Tune-3898-Mrs_Mary_Stoker.txt 507 Plain-text file with the extracted tune(s)
Tune-3898-get.log 4355 Log file, useful mostly for debugging
These files should be available for 24 hours.