Songs Open Up Your Heart And Let The Sun Shine In Performed by Frente! Originally by Stuart Hamblen/Flintstones On the album Saturday Morning Cartoons' Greatest Hits Released in 1995 Buy this album at and support us through: Amazon Versions Episode(s) Artist Length Artwork Album Original Artist Year Buy Frente! 3:31 Saturday Morning Cartoons' Greatest Hits Stuart Hamblen/Flintstones 1995 Amazon Clumsy Lovers 3:02 Barnburner Stuart Hamblen/Flintstones Amazon Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.