pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-31705-BM0.ps) >>/Users/jc/w/tmp/Tune-31705-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/BruceOlson/BM0.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_31705.log 256329 Log file, useful mostly for debugging
Tune-31705-BM0.abc 135 ABC music file with the extracted tune(s)
Tune-31705-BM0.ps 32253 PostScript
Tune-31705-BM0.txt 135 Plain-text file with the extracted tune(s)
Tune-31705-get.log 4081 Log file, useful mostly for debugging
These files should be available for 24 hours.