Sonic Highways FOO FIGHTERS, Zac Brown Band, Tony Brown, Willie Nelson, Dolly Parton, Tony Joe White, Emmy Lou Harris. Last night on HBO, the third installment of the mini series documentary "Foo Fighters Sonic Highways" took the band to country music capital, Nashville, Tennessee. Feeling like a fish out of water, Dave Grohl and the band have arrived in the city rich with history that forever hold its stamp in music. Grohl booked time at the famous Southern Ground studio tha