Should I restart with Bachelor’s if I want to get Master’s/PhD in economics?

Hello.
As the title says, I am debating whether I should restart and get a Bachelor's in economics or try to go straight for master's programs in economics.
I have a Bachelor's in Music Education.
I would like to study economics with a focus on education or childhood development with the ultimate goal of researching effects of educational policies and possibly consulting/advising/being involved in policy making in some way but mostly on the analysis side of things.

I am seeing a lot of requirements specifically in math courses for master's programs in economics and feeling overwhelmed. Would it be better for me to start over with my Bachelor's and go back to school for economics from the beginning? or would taking those mathematics and micro & macro economics courses I keep seeing as requirements as individual credits suffice?

My gut feeling is I would feel better foundationally and would probably feel more prepared as well as have a better idea of what I want to do for my master's if I just start over and get another bachelor's. I am 28 and at somewhat of a flex point in my career where I can pursue something a bit different to what I do now (education outreach/community relations for a research institute), or continue with the work I do now and move within this realm. Also, I should say I am not located in the US but I am open to programs in/moving to any english speaking country.
Any and all advice welcome.