This week, Gunnar Nelson joins The Cowsills to share a story of perseverance and a can-do mindset. Gunnar Nelson is a singer-songwriter and musician who, with his twin brother Matthew Nelson, is a member of the multi-platinum-selling band Nelson.Entertaining was a family affair for Gunnar -- his father was pop star Ricky Nelson and his mother was actress Kristin Harmon, the sister of TV superstar Mark Harmon, while his paternal grandparents were bandleader Ozzie Nelson and singer Harriet Nelson. Gunnar, Paul, Susan, and Bob all share stories about making music with your family and having fun doing it. Gunnar dives into how music saved him, celebrating the 30th anniversary of the autobiographical album after the rain, and the authenticity in his new project.