Instrument Bracketing?

[rrayner]

Even though I have been using Composer for quite a while now, I have never used the preformatted templates. I have created a series of templates on my own, and generally start a new song with one of them.

While creating a test file for problem definition, I loaded one of your templates. See the picture below -- what do you call the heavy black bracket at the left end of the four horn staves? And, how do you add it to your own score? I couldn't find it in Help because I didn't know what to look for. Thank you.

Ralph