A musical story for children where each character is a musical instrument . In this educational show, a one-man-band tells the story of Margo Piano and plays some instruments when characters appear in the story: Oscar Guitar, Marion Percussion, etc.Margo Piano is a young girl who lives near the sea and she has a big dream: she would like to sail away on a boat to discover the islands in the middle of the sea. But there is one big problem - water scares Margo Piano. This is because, once, when she was a baby, she slipped in her bath. In this story, she's going to try to make her dream a reality, with her friends Oscar Guitar (a funny little hamster who is really groovy) and Marion Percussion (a very dynamic little girl who loves doing sport).