We are thrilled to celebrate the birthday of an amazing human being who has contributed so much to the world of music. Keller Williams, keep smiling, playing, and spreading happiness through your music. It's the universal language! We are so incredibly excited to witness Keller Williams’ Grateful Grass at The Cap on April 20! Here come the big smiles!

1. Keller Williams' Grateful Grass performing “Eyes of the World” at Summer Camp Music Festival

Keller, you are the eyes of the world!

[embed]https://www.youtube.com/watch?v=tDyVt8Y68Rk[/embed]

2. Keller Williams with Grateful Grass performing "Shakedown Street" at Gathering of the Vibes

Don’t tell us Keller Williams ain’t got no heart!

[embed]https://www.youtube.com/watch?v=xiTigLL8rKo[/embed]

3. Keller Williams' Grateful Grass playing "Scarlet Begonias" at Gathering of the Vibes

Once in a while you get shown the light in the strangest of places if you look at it right.

[embed]https://www.youtube.com/watch?v=Fp_-eFYfMFg&feature=youtu.be[/embed]

4. Keller's Grateful Grass performing “Bertha” with The Infamous Stringdusters at Summer Camp Music Festival

Leave your worries at the door and feel the music!

[embed]https://www.youtube.com/watch?v=tg9F2T5UUDo[/embed]

5. Keller Williams and Grateful Grass at the 9th annual YarmonyGrass in Rancho Del Rio, Colorado

We're gonna boogie downtown at the hoedown. You in?

[embed]https://www.youtube.com/watch?v=rWUI-FQ5Nsk&feature=youtu.be&a[/embed]