Name that pasture grass

I have a couple of hay fields and I'm not entirely sure what grasses are in them. I've attached some images. Is the primary grass orchard grass? Also, what is that large looking clover. It's huge. I'm in eastern PA. Thank you!

Got a close up of one of those seed heads?  Doesn’t quite look like orchard grass to me, a bit too upright, but couldn’t say what it is…

Sorry for the delay. Here are some close-ups of what is growing. Thank you!

Based on your pictures provided, grass #2 I think is a brome grass. Grass #4 looks to me like it is orchard grass. Unsure about the other two.

The seed heads appear still a little immature. If you like, come back with more pictures in another two weeks and that can help folks here solidify an identity.

Hi Again,

Here are the seed heads a little older.  What do you think? I think James Is right regarding the brome and orchard grass