X/Shutterstock Little Richard, a founding father of rock and roll whose fervent shrieks, flamboyant garb, and joyful, gender-bending persona embodied the spirit and sound of that new art form, died Saturday. He was 87. The musician’s son, Danny Penniman, confirmed the pioneer’s death to Rolling Stone, but said the cause of death was unknown. Starting with “Tutti Frutti” in 1956, Little Richard cut a series of unstoppable hits – “Long Tall Sally” and “Rip It Up” that same year, “Lucille” in 1957, and “Good Golly Miss Molly” in 1958 – driven by his simple, pumping piano, gospel-influenced vocal exclamations and...