This summer, Jay had a long talk with Marilyn Horne, the great mezzo-soprano, resulting in a piece called “A Life of Singing.” He thought a podcast, to accompany the piece, would be good. You may well agree. Tracks of various types, showing the versatility, and the heart, of this extraordinary singer.Mahler, “Liebst du um Schönheit,” from “Rückert-Lieder”Bizet, “Dat’s Love” (Habanera), from “Carmen Jones”Schubert, “Die junge Nonne”Wolf, “Auf einer Wanderung”Wagner, “Träume,” from “Wesendonck-Lieder”Rossini, “Tanti affetti in tal momento!” from “La donna del lago”Bizet, “Adieux de l’hôtesse arabe”Bernstein, “Somewhere,” from “West Side Story”Trad., arr. Davis, “Shenandoah”Malotte, “The Lord’s Prayer”