Rhythm and blues singer Otis Clay dies at age 73

Rhythm and blues artist Otis Clay, a hall of fame musician who also was a community activist on Chicago's West Side, has died. He was 73.

Clay's daughter Ronda Tankson told The Associated Press the one-time Grammy nominee died of a heart attack on Friday.

Manager Miki Mulvehill says Clay was preparing upcoming U.S. and European tours and had been nominated for two Blues Music Awards -- one for his album with Billy Price and one for soul blues music artist.

Price says Clay was "the last standard-bearer for deep southern soul."

Clay was inducted into the Blues Hall of Fame in 2013.

Mulvehill says Clay was not only a great musician but a humanitarian, working on charitable causes.

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