What are the trombone positions for jingle bells?

In "Jingle Bells," the Trombone typically plays in the key of Bb. The main melody can be played using positions 1, 2, and 4. Position 1 is used for the notes Bb and F, position 2 for C and D, and position 4 for E and G. Familiarizing yourself with these positions will help you play the melody smoothly.