So an instrument or performer's position is not just on the left, right or middle, but also on the front, middle or back.
Ahụmahụ na ụda ọ bụghị naanị na-abịa site n'aka ekpe, aka nri, ebe etiti gburugburu ma ọ bụ na mbara ala ma site na n'elu na n'akụkụ ọ bụla.