#RADIO: US Pop Radio #8. “Need To Know” (=) *peak* — Spins: 11.407 (+203) — Audience: 36.944 (+0.743) US Rhythmic Radio: #1. “Need To Know” (=) *2nd day at #1* — Spins: 5.757 (+112) — Audience: 15.984 (+0.467) US Overall Radio: #10. “Need To Know” (+1) *new peak* — Audience: 57.740 (+1.320) *A canção teve o quarto maior ganho de audiência nas rádios gerais dos Estados Unidos hoje. 328 views15:00