“His version of terrible, is like the best song I had written ever”: Billie Eilish Unveils Her Brother Finneas’ Songwriting Skills on David Letterman’s Show

Siblings and their annoying habits of teasing us make it hard for us to stay with them. In this case, you cannot even think about hanging out with them at all. But this brother-sister duo has been working with each other and they have something to say. Recently, Billie Eilish and her brother…