pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6778-60th_Summer_School.ps) >>/Users/jc/w/tmp/Tune-6778-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/BruceShawyer/strathspey/60th_Summer_School.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
Coll_6778.log 66074 Log file, useful mostly for debugging
Coll_67781.log 63644 Log file, useful mostly for debugging
Tune-6778-60th_Summer_School.abc 342 ABC music file with the extracted tune(s)
Tune-6778-60th_Summer_School.ps 38228 PostScript
Tune-6778-60th_Summer_School.txt 342 Plain-text file with the extracted tune(s)
Tune-6778-get.log 4516 Log file, useful mostly for debugging
Tune-67789-get.log 4151 Log file, useful mostly for debugging
These files should be available for 24 hours.