Complex sentence: They were formally inducted into the Grand Ole Opry on September 17,2013, and their ninth album, "Remedy" (2014), won the Grammy Award for Best Folk Album in 2015.
Split into simpler sentences: They were formally inducted into the Grand Ole Opry on September 17,2013. Their ninth album, "Remedy" (2014), won the Grammy Award for Best Folk Album in 2015.