@olibong Consider adding another EC that demonstrates community awareness and impact. The benefit concerts fit here, but you could also put together an ensemble to play nursing/retirement homes a couple times per month. My musician kid did this for years and it was a mutually rewarding experience; the residents were always so happy to see the musicians.
If you take private lessons, your teacher should be to help you set something up. It looks like you already have a nursing home connection. That might be a good place to start.
This post has some good advice that is generally applicable to all applicants: