It was Belafonte who delivered singers and actors to the 1963 March on Washington, and to Selma and Montgomery, flashpoints of the civil rights struggle, and Belafonte who paid for the Kings' housekeeper.
Dramatically, there was no comparison: Whereas Birgit was a stand-and-deliver singer, executing every role with dignified, steely grandeur, you could never take your eyes off Deborah, even when she was silently listening, because of the emotional intensity of her portrayal.
The song features vocals delivered by singer Teyana Taylor, a musician who initially met West at his Glow in the Dark Tour tour in 2007.
But his grandest gesture came during "Dile Al Amor," when he invited the rising bachata star Prince Royce to share the chorus with him, then let the younger singer deliver a pair of his own hits, "Stand by Me" and "Corazón Sin Cara".
Despite a glorious American tradition of resistance singing (think of the abolitionist songs of the Hutchinson Family in the 19th Century), progressive political types often think it's enough to have a celebrity singer deliver our arguments at fundraisers or benefit concerts.
The music was delivered by singers, both solo and in groups of all sizes.
But her ballads - massive, emotional and usually delivered by singers who sound on the verge of tears - are Warren's most memorable compositions.
Two trios of singers deliver passages from "Front" and "Homecoming".
The singers deliver a hymn in sweet unison, but it's another number that makes the neatest dramatic point.
In this chatty opera, the singers deliver quick-paced, patterlike vocal lines that only now and then turn lyrical.
While Mr. Pierce rasps out his vocals, the keyboards swell, backup singers deliver oohs and la-las, and guitars work themselves up toward scrabbling tremolo and feedback.
