Replacing stock speakers in my ’72 Newport

Good morning everyone,

One of the winter projects I wanted to tackle with my '72 Newport Royal coupe was to swap out the dry rotted factory speakers so my tunes aren't coming out of the bluetooth speaker sitting on the dash, connected to my phone. I'm guessing any 6x9 or 6x8 will work for the rear but what is the configuration in the front of the car? What have people used successfully? I searched previous threads but didn't really find a clear speaker configuration up front with specific...

Replacing stock speakers in my '72 Newport