How to play Happy Trails to You on harmonica?

To play "Happy Trails to You" on the harmonica, you'll typically use a diatonic harmonica in the key of C. Start by playing the melody using a combination of draw and blow notes, focusing on the first few phrases that emphasize the notes C, D, E, and G. Follow the sheet music or tablature for accurate timing and note progression. Practice slowly, gradually increasing your speed as you become more comfortable with the tune.