In his college years he studied music theory at the Salzburg Academy of Music in Austria.

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Principal bassoonist Christin Schillinger teaches music theory at the university.

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The school specializes in Arabic instruments such as the kanoun, a triangular stringed instrument a little like a horizontal harp, and the oud, a pear-shaped stringed instrument similar to a lute, and also teaches Western classical instruments and music theory.

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He settled into work, and got a tutoring job helping brilliant Korean violinists with shaky English write their music-theory papers.

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And Apple could sell more music and the record companies could sell more music, and in theory, everybody would be happy.

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That the band chose Harrisburg, better known for the Pennsylvania Chili Cookoff than a raucous hotbed of music, is an example of its theory of controlled success.

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But you can only buy copies of the songs--anyone who pays a monthly subscription fee, that in theory lets them listen to as much music as they want, can't listen to any of the late Beatle's songs in streaming audio.

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Sing, that is, until the music stops, as it did in Europe, and theory meets reality.

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Having Apple host your media in the cloud and being able to access it on any device is great in theory, but do you really want to be paying rent on music and movies that you have already paid for once?

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