Warren Haynes Recalls Sharing a Tour Bus with Dave Grohl’s Mom On 9/11

Musician and singer-songwriter Warren Haynes is perhaps best-known as the longtime guitarist in the Allman Brothers Band. He's also a founding member of the jam band, Gov't Mule, who recently released their 10th studio album, 'Revolution Come... Revolution Go.' Listen as he tells a story of sharing a tour bus from New York City to Denver with Dave Grohl's mom, Virginia, shortly after the tragedy.