While Houston is the Texas town better known to serve Afrobeats lovers, Rema fans flocked to Austin for his headlining set that closed out Rolling Stone’s Future of Music showcase. Rappers Samara Cyn and Anycia, who took the stage before him, couldn’t contain their excitement for Rema’s show either — hyping the crowd up for his appearance after hers, Anycia joked that they might find her on the floor with them. From the time the Atlanta upstart closed with her Latto-assisted banger “Back Outside” to the moment Rema’s welcome…