The Question and Answer section for Sundiata: An Epic of Old Mali is a great resource to ask questions, find answers, and discuss the novel.
I think Griot was, among other things, a teacher.
The only mention of song(s) I can find in this chapter is as follows:
All the griots were there and had already composed a song in praise of the royal infant.
I see no reference to three different songs.
Sogolon Kedjou is the Buffalo Woman. She marries the King of Niani.