ATS, meaning Agoi the Serenader. Agoi Olayinka, born May 25, 1995 is a Singer, Songwriter and producer. ATS is a soulful singer, who started out singing covers and creating mashups of evergreen R&B and Afro Pop singles. He’s known for his often long stretched decrescendo riff and runs, impeccable falsetto and most importantly, his unique way of navigating every cover and making them his own.