Three months. That was the longest stretch B.B. King ever took off from the road. Six weeks in, however, that old antsy feeling came knocking.

"I was married then, and I'd promised my wife I would take off for a while," King says. "But since I haven't been married since 1968, I don't have anyone to argue with about that. So, I stay out there."

Finishing a 10-day hiatus after a string of Canadian dates, King's current U.S. road show revved back up again with a Southern trek that got under way June 9 in Indianola, Miss., with his annual homecoming concert. All told, his 2007 tour includes 150 scheduled stops. Having celebrated his 10,000th concert last year at his club in New York's Times Square, the bluesman kicked off another milestone—his 60th year on the road—in January in Los Angeles. During the last five months, his mobile home has pulled into such cities as Phoenix, San Antonio, Chicago and Kansas City, Mo.

In the middle of that tour—scheduled to run through year's end—King will once again squeeze in room for his annual summer blues festival. With 16 stopovers including New York, Atlanta, Dallas and Los Angeles, this year's circuit begins July 24 and pairs King with two other legends for the first time: Etta James and Al Green.

Read more on King's upcoming record for Geffen, his thoughts on blues airplay on radio, why he continues to tour at age 81, and more.