Creative Theoretical Jamming for the Basement in Albany, Georgia For Sale

I am looking for basement players that are interested in just plain old improvisational jamming (some cover tunes)just for the fun of making music. We already have a drummer, bass and guitar player. Looking for key board and another guitar player. Ages around 40's and 50's. Not for beginners.
I am looking for basement players of guitar, bass, drums and keyboard that are interested in just plain old improvisational jamming (some cover tunes)just for the fun of making music. Ages around 40's and 50's. Not beginners but knowledge of cord progressions, scales and just know how to make a good sound.