The double bass is the largest and lowest-pitched string instrument in the orchestral family. It typically has four strings, tuned in perfect fourths, and is played with a bow or by plucking the strings. Its deep, resonant sound provides the foundation for many musical ensembles, including orchestras, jazz bands, and chamber music groups. Double basses are made from wood, often featuring a curved body that enhances their acoustic properties. They can be played in various styles, from classical to bluegrass, and are essential for maintaining rhythm and harmony in music. Musicians often use a technique called pizzicato, where they pluck the strings with their fingers, adding versatility to the instrument.