Classic Sesame Street time! Kids get help making drum from a barrel against the backdrop of New York City in the early 80s. The video doesn’t dive deep into it, but there’s even more detail in just how the notes are made exactly to specification:
…fine-tuning is done by lightly tapping the note area to stretch it appropriately. Tune down, hit it from above. Tune up, hit it from below. That’s the easy way to describe it, but the full tuning process involves making sure the whole note area is harmonically balanced (getting the octaves to match)…
For more detail, check out the set-up of notes on the Tenor Pan.