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Mor B.B. King

CNN: Blues legend B.B. King dies at age 89 Ara: Cinc interpretacions magistrals de B. B. King  | B.B. King

( Paul Natkin/Getty Images)

He was a indefatigable musician who played more than 300 shows a year—even into his 80s.

B.B. King—the blues great who passed away at 89 on Thursday in Las Vegas—left behind an incredible body of work, which showed the Grammy-winning Rock and Roll Hall of Famer’s passionate dedication to the blues music he helped popularize.

Many of his timeless performances are available on YouTube. Below, a few of Entertainment Weekly’s favorites.

“Thrill Is

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Les nenes segrestades de Nigèria

També a ara.cat

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Jocs Olímpics EVT 2015

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Les tres cares

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Crazyflie Nano Quadcopter

A flying open source PCB

In 2009 three Swedish engineers invented a small quadcopter that started with a simple idea: get an electronic board (PCB) to fly. They created the "Crazyflie Nano Quadcopter" which weighs only 19g and fits in the palm of your hand. It can be controlled from various devices, including PC, Android or iOS devices, Raspberry Pi or a R/C remote. While the main client has been written in Python, it has also been ported to Java, C, JavaScript. Since the beginning of 2013 the hardware can be bought from http://www.seeedstudio.com, but the schematics for the PCB and the

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