This musician looked upward and said “let’s do that again” after taking a major pentatonic solo on a TV performance of “Up Above My Head.” In the 1940s, this musician and Marie Knight, who were possibly lovers, duetted on songs like “Didn’t It Rain.” This musician (-5[1])sits with a Gibson Les Paul Standard on the cover of a 1956 album that opens with a version of “Jericho” backed by The Harmonizing Four. Pianist Sammy Price played with this musician on recordings of her signature songs (*) “This Train (-5[1])(is Bound for (10[1])Glory)” and “Strange Things Happening Every Day.” This singer’s (10[1])distorted electric guitar playing (10[1])on (10[1])a 1964 tour of Europe with Muddy Waters influenced Eric Clapton and Keith Richards, contributing to her nickname, (10[1])“Godmother of Rock and Roll.” (10[1])For 10 points, name this gospel singer whose stage name used the designation “sister.” ■END■ (10[2]0[2])