The Tufts/NEC program, and the JHU/Peabody program require acceptance to both programs. IOW, you would need to get accepted to Tufts AND NEC to do that program. You would need to get accepted to Hopkins and Peabody to do that program.
You will need to be a top applicant to earn lots of music scholarships at the schools on your list. Go for it, but have a plan B just in case.