When will you give me the material?

It's a longish poem, not in your anthology, but you can find it in The Complete Yeats, and I've given you on this handout page just a couple stanzas from it, so you have a sense of it.

She pinned the material together.

But to do that, you need much better materials.

If you've read through that material and you should have read through it by now you know that we have a value in music.