The double bass, also known simply as the bass, is the largest and lowest-pitched bowed string instrument in the modern symphony orchestra. Similar in structure to the cello, it has four, although occasionally five, strings.

Why is it called a contrabass?

The name contrabass comes from the instrument's Italian name, contrabbasso. Other terms for the instrument among classical performers are string bass, bass viol, or simply bass. Jazz musicians often call it the acoustic bass to distinguish it from electric bass guitars.

What is the difference between a double bass and a contrabass?

While both cover the same acoustic range, the double bass has more punch and is able to “speak” more clearly in higher volume situations. It is a 4 string instrument and has become the standard for orchestral music as well as jazz.