Morning for Easy Piano from Peer Gynt Suite can be learned in a matter of minutes. Classical music excerpts were used often in old cartoons before the digital age arrived.
This was written originally as a romantic dramatic poem by Henrik Ibsen. It was set to music in 1875 by Edvard Grieg as the incidental music of the play.
This has a very slow and relaxing melody. It will sound familiar to you after you listen to the MIDI recording. Do this first and your learning curve will diminished significantly.
Remembering that notes that move from line note to the next space note are seconds and are stepping in either an upward or a downward direction, you will make short work of playing Morning for easy piano.
1.Sheet music: Morning Easy Piano from Peer Gynt Suite