The question is actually super easy to answer. The song lives on Brittany Howard. Born in 1988, the singer and guitarist formed Alabama Shakes in 2009 with her schoolmate Zac Cockrell. The song is about ongoing struggles in a relationship. The initial guitar riffs, which are cleanly and spatially split by our Soundbar, are interrupted by an incredible scream that heralds the actual start of the song.
Brittany Howard's performance in the video below is truly great. With her stature and demeanor, she really is what you call a front woman. Simply cool.
In the meantime, Brittany Howard has devoted most of her time to her solo career, in which she has also been successful. If you want to know a little more about her, you can listen to the following interview.