Answer:
One Quarter. Also known as 1/4 left and 1/4 right. The body is a quarter turn away from the audience, right or left at a 45 degree angle. This position is the most frequently used when two actors share a scene, for it places each of their bodies so that the audience can easily see them.
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Brass. Trumpets, trombones, French horns, tubas, and baritones all fall under the brass category and all require air to be blown through them.
