pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-77860-BonAccordCollection.ps) >>/Users/jc/w/tmp/Tune-77860-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/by/Bert_Murray/BonAccordCollection.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
Find_77860.log 1844 Log file, useful mostly for debugging
Tune-77860-BonAccordCollection.abc 48883 ABC music file with the extracted tune(s)
Tune-77860-BonAccordCollection.ps 668355 PostScript
Tune-77860-BonAccordCollection.txt 48883 Plain-text file with the extracted tune(s)
Tune-77860-get.log 59282 Log file, useful mostly for debugging
These files should be available for 24 hours.