Listing research experience/summer course on UC app

Colleges and Universities A-Z University of California - GENERAL
1

<p>What would research experience(in a university over the summer) go under? Would that go under extracurricular activities?</p>

<p>Also, is there any way to send supplements (such as music CD/research paper)? The music supplements I have seen seem to be only for people majoring in music? Would I have to send CDs to each campus separately/do they accept these at all?</p>

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<p>Another thing: I have also been attending a music precollege program for three years- does that count as an extracurricular/other coursework/a college prep program?</p>