The story told in the Ethiopian church runs like this. Yared, a slow student who despaired of learning, watched a caterpillar fall repeatedly from a tree and climb again, took the lesson, and returned to his books. Later, taken up in vision, he heard the singing of the twenty-four elders of heaven and came back able to sing. He went to the cathedral at Aksum and sang, and the king came to hear him. So absorbed was Gebre Meskel that he drove the point of his spear through Yared's foot without either of them noticing until the song ended and the floor was bloody. The king then gave the new chant his protection, and it became the music of the Ethiopian liturgy.
The narrative belongs to a well-known hagiographic type: a divine gift of song, a royal patron who recognizes it, and a wound that proves the intensity of the moment. It is preserved in the life of Yared, a text composed centuries after the sixth century, and it is not corroborated by any contemporary record. Historians therefore treat the king in this story as the tradition presents him rather than as a documented patron, and treat the attribution of the whole chant system to a single sixth century deacon as a foundation account rather than a history of its development.
What is not in question is the chant itself. Ethiopian zema is organized into three modes, one for ordinary days, one for fasts and funerals and one for festivals, and it is written in a notation of its own, a system of signs above the Geez text that no other tradition uses. It has been transmitted through schools of church musicians without interruption for many centuries, and it remains the living music of a church of tens of millions.