No Sound when using Airplay to TV from Apple Music

Hello, I am using an iPhone 15 Pro (updated to 18.3.2) which is up to date. I am trying to AirPlay to my TV; an Insignia 55” - F30 LED 4K UHD Smart Fire TV.

YES they are connected to same wifi network with full bars and I did a speed test. I unpaired and paired them both.

When I connect my phone via AirPlay; the song plays but no audio comes from the phone or TV. The song timer is still visible on my phone but on the TV it just shows the song/album cover and 00:00 BUT the audio bars by the song title still moves.

Tried to include as much info as possible, PLEASE HELP!! Thanks in advance