The laud is a Spanish folk cittern. It has a flat soundboard and a flat back and has the basic shape of a teardrop. It is has 12 metal strings. Some laudes have a round soundhole (like a Spanish...
A percussion instrument is any object which produces a sound by being hit with an implement, shaken, rubbed, scraped, or by any other action which sets the object into vibration.
The English term 'brass instrument' means a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece