Head over to the Music Major Forum where there are dozens of threads about this issue and informed advice (for instance, it’s extremely difficult to get a double degree at Rice in Music and another subject.) And, first of all, before you even think about this further, read the pinned thread: http://talk.collegeconfidential.com/music-major/1948726-double-degree-dilemma-essay-written-by-david-lane.html