What songs should GLEE cover and who could sing them?

Here's a few that I would love to see: P.S. (Name) means who gets
solos.

Falling Slowly by Glen Hansard  Marketa Irglova - Finn  Rachel
I Want To Know What Love Is by Foreigner - Puck
Price Tag by Jessie J ft. B.o.b. - New Directions (Mercedes  Artie)
Don't You Remember by Adele - Rachel  Quinn
Someone Like You by Adele - Finn, Quinn, Rachel,  Sam
Iris by The Goo Goo Dolls - Finn
We R Who We R by Ke$ha - New Directions (Kurt, Rachel,  Brittany)
Hallelujah by Rufus Wainwright - Blaine
I'm Not That Girl from Wicked - Quinn
The Edge Of Glory by Lady Gaga - New Directions (Santana  Puck)
Lady Marmalade by Christina Aguilera, Lil' Kim, Mya  Pink - Mercedes,
Rachel, Santana,  Tina
Here Comes The Sun by The Beatles - New Directions Guys (Artie  Kurt)

As Long As You're Mine from Wicked - Finn  Rachel
Good Life by OneRepublic - The Warblers (Blaine)
Unchained Melody by The Righteous Brothers - Blaine  Rachel