After failing to build a gun, this singer wrote a song in an hour that repeats the phrase “too slow.” This singer closed performances with a 10-minute biblically (10[1])inspired song that includes a rhythmic clapping section. In 1987, this singer improvised a Bach-inspired fugue during a performance of “My Baby Just Cares for Me.” Hal Mooney added a piano triplet and emphasized the first and third beats in a 1965 arrangement for this singer whose lyrics include “It’s a new dawn, It’s a new day” (10[1])and a line about “birds flying high.” (10[3])Bandleader Weldon Irvine wrote lyrics inspired by Lorraine Hansberry for this singer’s Civil Rights anthem “To Be Young, Gifted, and Black.” (10[1])For 10 points, name this blues singer whose signature songs include “Mississippi Goddam” and “Feeling Good.” ■END■ (0[2])