Google Nest Community

Hi , i have changed my internet provider and i hade to start my home app all over The only thing is not working is the sesibo airWhy and how to fix it Thank a lotIdo

i have 4 new nest mini i have connected all 4 under the same google home appeach member have his own spotify under family dealwhen we ask spotify to play it runs just under my phonei cannot link each one to his own nest mini