A musical instrument is an instrument created or adapted to make
The date and origin of the first device considered a musical instrument is disputed. The oldest object that some scholars refer to as a musical instrument, a simple
Musical instruments developed independently in many populated regions of the world. However, contact among civilizations caused rapid spread and adaptation of most instruments in places far from their origin. By the
Musical instrument classification is a discipline in its own right, and many systems of classification have been used over the years. Instruments can be classified by their effective range, their material composition, their size, etc. However, the most common academic method, Hornbostel-Sachs, uses the means by which they produce sound. The academic study of musical instruments is called
A musical instrument makes sounds. Once humans moved from making sounds with their bodies—for example, by clapping—to using objects to create music from sounds, musical instruments were born.  Primitive instruments were probably designed to emulate natural sounds, and their purpose was ritual rather than entertainment.  The concept of melody and the artistic pursuit of musical composition were unknown to early players of musical instruments. A player sounding a flute to signal the start of a hunt does so without thought of the modern notion of "making music". 
Musical instruments are constructed in a broad array of styles and shapes, using many different materials. Early musical instruments were made from "found objects" such a shells and plant parts.
 As instruments evolved, so did the selection and quality of materials. Virtually every material in nature has been used by at least one culture to make musical instruments.
 One plays a musical instrument by interacting with it in some way—for example, by plucking the strings on a