MINNEAPOLIS (WCCO) — From the passing of a legendary blues man to National Bike To Work Day, here are the four stories to know for Friday, May 15.

Blues Legend Dead At 89

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“The Thrill Is Gone”: Blues legend B.B. King has passed away. He was the last of the legendary bluesmen from the Mississippi Delta.

Riley B. King, the son of sharecroppers, was born on a cotton plantation.

He hitchhiked to Memphis in his 20s, and soon earned the nickname Blues Boy, or B.B. He was a 15-time Grammy Winner, his last was in 2009 for “One Kind Favor.”

King was 89 years old.

Bike To Work!

Ditch the car and commute on two wheels today — it’s National Bike to Work day!

If you bike by Shinola in the NorthLoop, you can get a free Dogwood Coffee and Rustica Pastry.

At 4:30 this afternoon there’s free ice cream in Gold Medal Park.

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You will also find “pit stops” throughout the city where bikers can win prizes and pick up snacks.

‘Late Show With David Letterman’ Nearing An End

We know who David Letterman’s final guests will be.

Last night George Clooney took some desperate measures, trying to get letterman to stay.

Monday, Tom Hanks will appear. Tuesday, Bill Murray will make his 44th appearance. And Wednesday will be full of surprises.

McD’s Turns 75

Happy birthday, McDonald’s! The Golden Arches turn 75 today after opening its doors in San Bernandino, California back in 1940.

French Fries weren’t part of the menu until 1949. The Big Mac came in 1968. We got Shamrock Shakes in 1970, happy meals in 79. And the McRib came out in 1982.

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And did you know they once served pizza in the late 80s and 90s?