Listen to Open up Your Heart (And Let the Sunshine In) [feat. Roy Rogers & Dale Evans] online. Open up Your Heart (And Let the Sunshine In) [feat. Roy Rogers & Dale Evans] is an English language song and is sung by Mitch Miller and The Sandpipers. Open up Your Heart (And Let the Sunshine In) [feat. Roy Rogers & Dale Evans], from the album Favorite Children's Songs, was released in the year 2016. The duration of the song is 1:44. Download English songs online from JioSaavn.