 Kí ni ìbéèrè to: Proud Mary ni a apata orin kọ nipa American singer-songwriter ati multi-instrumentalist John Fogerty, ati ki o gba nipasẹ rẹ ẹgbẹ Creedence Clearwater Revival.? Àkòrí ọrọ náà ni Màríà Onígboyà. : tí ó ń kọ orin Mary aláyọ? 