"Do-Re-Mi" is a song from the classic movie "The Sound of Music" that was sung by the character Maria, played by Doris Day. The song is about the basics of music, teaching children how to sing and read music starting with the Do-Re-Mi scale. The lyrics use simple and relatable words to explain the musical scale and make learning fun for children. The song also incorporates some playful elements, such as using a deer, a drop of golden sun, and other everyday objects to represent each note of the scale. This helps children remember the sequence of notes and make learning music more enjoyable. Overall, "Do-Re-Mi" is a fun and educational song that introduces children to the world of music in a simple and engaging way. It encourages kids to sing, play, and have fun while learning the basics of music theory.