1)
What is "Ma'ale ha'Leviyim"?
1.
Rashi: There were steps 1 there on which the Leviyim stood when they sing.
1
Ibn Ezra: Ma'ale is a noun. It is Samuch to ha'Leviyim.
2)
Why did they go on Ma'ale ha'Leviyim?
1.
Ibn Ezra: They used to pray there.
