The following are select sections from the Wikipedia articles titled Drum and Rick Allen drummer.

The drum is a member of the percussion group of musical instruments.

Drums consist of at least one membrane called a drum head or drum skin that is stretched

over a shell and it struck either directly with the player's hands or with a

drumstick to produce sound.

There is usually a resonance head on the underside of the drum

typically tuned to a slightly lower pitch than the top drum head.

Drums are the world's oldest and most ubiquitous musical instruments, and the basic design has remained virtually unchanged for thousands of years. In many traditional cultures, drums have a symbolic function and are used in religious ceremonies.

Drums are often used in music therapy, especially hand drums, because of their

tactile nature and easy use by a wide variety of people in popular music and jazz.

Drums usually refers to a drum kit or a set of drums with some symbols or in the case of harder rock music genres, many symbols.

Drums acquired even divine status in places such as Burundi, where the Carienda was a symbol of the power of the king. The next section. The shell almost invariably.

The next section is about the construction of drums.

The shell almost invariably has a circular opening over which the drum head is stretched,

but the shape of the remainder of the shell varies widely.

Drums with cylindrical shells can be open at one end or can have two drum heads, one head on each

end.

Single-headed drums typically consist of a skin stretched over an enclosed space,

or over one of the ends of a hollow vessel.

Drums with two heads, covering both ends of a cylindrical shell,

often have a small hole, somewhat halfway between the two heads.

The shell forms a resonating chamber for the resulting sound.

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