In "Franklin's Family Treasure", Mr. Turtle gives Franklin a whistle. Without realizing it's value, Franklin traded it away until his Granny told him where the whistle originates from. Franklin and his Granny desperately tracks down who has the whistle.. In "Franklin's Music Lessons", Franklin and his class were entertained by Mrs. Panda and her piano. This inspired Franklin and Beaver to take up piano lessons from Franklin's Granny. He didn't realize how practice can really be perfect until he noticed how well Beaver was playing the piano while he was out goofing off.