What is the easiest song on the harmonica?

One of the easiest songs to play on the harmonica is "Mary Had a Little Lamb." It features a simple melody and utilizes just a few notes, making it accessible for beginners. Other easy options include "Hot Cross Buns" and "Twinkle, Twinkle, Little Star," which also have straightforward patterns that help new players build confidence. These songs are great for practicing basic techniques and improving breath control.