Our list of 2021's 50 best songs includes Taylor Swift, Lil Nas X, Adele, Little Simz, Tyler, the Creator, Jon Batiste and Doja Cat.

They built a well-deserved reputation a heavy rock band, but the best acoustic Led Zeppelin songs prove they could unplug and still rock out.

Check out four of the best acoustic versions of timeless rock songs by Nirvana, Foo Fighters, Oasis, and Neil Young.