I graduated this year from a selective school that's ranked ~30.
Based on my experience, literally no one will care. In fact, only a small minority in my grade actually played instruments.
Although most people (including me) would've highly recommended it, no one cared or looked down on you if...
AY LET'S FUCKIN GO
Chemistry - 90
English ADV - 84
Maths 3U - 93
Maths 4U - 87
Physics - 90
School Rank - ~30
ATAR: 96.85
I wasn't expecting to get over 95, so this was pretty nutty 😁