Jug

A jug is is a container for liquid, with a handle and an opening for pouring or drinking from.

As a musical instrument, jugs provide a rhythmic bass accompaniment. Jugs produce sound when air is blown over the top opening. Different size jugs produce deeper or higher musical tones? with a smaller jug having a higher pitch than a large one.

The [jug band]? was at the height of popularity in the 1920s, when such bands as Cannon's Jug Stompers were popular. Typically jug bands play folk music, either hillbilly or blues.

Resonance? section needed here. Any volunteer scientists?.