The violin is the string family's highest voice and perhaps the most widely recognized member of the Orchestra. It's high pitched, beautiful tone is often used as the lead or solo instrument, particularly in music demanding fast passages.

Viola - The viola is slightly larger and tuned differently than the violin, although both are played under the chin. The mellow, rich tones of the viola provide the alto voice of the string family. It plays a vital role in string ensembles and quartets.

The cello is the tenor voice of the string family. It is tuned an octave lower than the viola, and produces both deep low tones and subdued higher tones. The cello is supported on the floor by an end pin, while the seated performer steadies the instrument with his or her knees.

The string family's largest instrument is the string or double bass. It provides the foundation of the Orchestra. The deep voice of the bass can serve as either the rhythmic accompaniment or solo instrument.