Arrange the code blocks to create the following scene: When the green flag is clicked, Scratch Cat should start from the green oval. The crowd should start cheering, then Scratch Cat should do the walking animation and climb up to the stage. After that, he should move to the center and pause for 2 seconds. Then, he should play "Twinkle Twinkle Little Star on the guitar. While the guitar is playing, Scratch cat should also move. Once the music stopped, he should also stop moving.
