Why Does Sarah McLachlan’s “Angel” Sound So Sad?

It only takes a few notes of Sarah MacLachlan’s “Angel” over images of homeless dogs and cats to trigger our tear ducts. Heartbreaking visuals aside, what makes the song itself so sad? What is it musically about a song that makes it sound sad? Hosts Nahre Sol and LA Buckner hear from experts and break down the components of sad-sounding music, creating their own somber composition.