Your grade changes after your major change and your good DAT will be fine. Yes, your GPA is low but the upward trend with your science classes is encouraging. Your unique background with the music performance will probably catch some eyes as well.
i have a 3.15 bcp 3.06 science and a 2.96 overall, with a 21AA 22TS and I just got an inverview for september a couple days ago. Make a baller PS and have good E.C's u will be fine