Some sources claim that this musician’s popular version of a Hungarian piano tune was banned by the BBC due to its tendency to induce suicidal feelings in listeners. NASA’s final transmission to the Opportunity rover was this musician’s version of “I’ll Be Seeing You.” Domestic issues inspired this musician to write the songs (10[1])“Don’t Explain” and “Fine and Mellow.” The refrain “Mama may have, Papa may have” appears in a song this singer co-wrote with Arthur Herzog. This singer was briefly the vocalist for the big bands of Artie Shaw and Count Basie (-5[1])and gave the nickname “Prez” to Lester Young. This singer popularized a song (-5[1])whose lyrics describe “blood on the leaves (10[1])and blood at the root.” (10[1])For 10 points, “God Bless the Child” and “Strange Fruit” are songs by what singer (10[1])what singer nicknamed “Lady Day”? ■END■ (10[2])