Premise: Nelson is an American rock band founded by singer/songwriters Matthew and Gunnar Nelson (twin sons of Ricky Nelson and Kristin Nelson). The band achieved success during the early 1990s with their double platinum debut album "After the Rain", which featured the number-one hit "(Can't Live Without Your) Love and Affection".
Hypothesis: Ricky Nelson and Kristin Nelson were very proud of Mathew and Gunnar's success.