The Bass Drum is a cylindrical soundbox made of wood and two heads stretched across the open ends of the shell. The head can be tensioned by tighten a screw and are made of calfskin or plastic. It belongs to the membranophones and to the Indefinite pitch subfamily.
The Bass Drum is also played with Mallets, which are struck on the head. They are made soft felt or even of wood. The timbre is composed by: the attack and the resonance. The attack is clear and well define, whereas the resonance has a duration of around 3-4 seconds. Its sound can be: dark, full, resonant, soft and hollow.
The Cymbals consist of a pair of slightly conical plates with a small aperture in the middle where a leather strap is attached in order to handle them. They are made of brass wire, sheet brass, nickel silver or bronze alloys. The sizes fluctuate between 41 to 56 cm and weight between 1.5 and 2.5 Kg per Cymbal. The Cymbals belong to the idiophones subfamily and to the Indefinite pitch subfamily.
The Cymbals are played by striking one cymbal against the other, although they can be played by striking them with a Mallet (soft or hard, depending on the sound wished). The Cymbals sound is bright, metallic, piercing, harsh and brilliant.