Gabby Barrett brought out her husband Cade Foehner for an intimate Billboard Live At-Home performance Wednesday (Aug. 5) to raise money for MusiCares.Foehner played an instrumental part during the couple's set, when he sang alongside Barrett while playing the acoustic guitar, but he also played his part as her muse for her radio sensation "The Good Ones.""This song was written about this man beside me," the 20-year-old country star said.