Riffs

Bare Trees is the title track from the Fleetwood Mac album released in 1972. 

What’s remarkable is that it’s composed almost entirely of riffs (6!) in E Mixolydian/Blues with a few random lyrics mapped over them.

The lyric is beautifully denuded.

The fact that "dummy" lyrics were used indicates that lyrics in pop songs aren't really essential when music can take the spotlight. Lyrics are