Audio issues when streaming on Spotify

I don’t know if and when I’ll be getting a reply but I don’t know what else to do. I don’t know if this is an easy fix or not but I’m playing music on my Roku right now, and there’s a couple issues and I don’t understand why it’s doing this. One, I can hear more of the instruments than I can the singer(s) like they’re kind of mumbling. Two, it sounds like it’s echoing as well. It’s not that old of a tv. Matter of fact, I just had to replace my old one earlier this year because it refused to come on. Using all the tags I can to make sure that my concern gets out there.