Finneas O'Connell Says Working With Sister Billie Elish Comes Naturally (Exclusive)

ET caught up with Billie's brother, co-writer and producer, Finneas O'Connell, at the GRAMMY Museum in Los Angeles, where he dished on the 'crazy' possibility of being nominated for the coveted music award and working on his own music. O'Connell's debut EP, 'Blood Harmony,' is out Oct. 4, followed by his first-ever North American headlining tour.