George Thorogood

Undisclosed health problem "will require immediate surgery."

Dates will include his first Canadian shows in three years.

"Sammy has come a long way with his wardrobe," he jokes.

Rockers hit the road for the first night of their Crazy Times tour.

David Geffen's surprise endorsement convinced him to finally put stand-out original on a record.

Four score and still going strong.

They'll play amphitheaters across the country starting in June.

Guitarist recalls his ambitious 1981 tour and how he made it big playing blues.