1. Double bass: The double bass is the largest and lowest-pitched member of the violin family, producing deep, resonant tones.
2. Cello: While higher-pitched than the double bass, the cello still has a low, rich sound and is often used in classical music.
3. Bass guitar: Commonly used in rock, blues, jazz, and other genres, the bass guitar produces low-frequency notes and plays the role of harmonic support.
4. Tuba: A large, brass instrument with a very low pitch, the tuba is commonly found in brass bands and orchestras.
5. Bassoon: A woodwind instrument with a mellow, reedy tone, the bassoon is known for its low notes and is often featured in classical music.
6. Contrabassoon: Similar to the bassoon but larger in size and lower in pitch, the contrabassoon produces extremely low, rumbling sounds.
7. Ophicleide: A historical brass instrument that preceded the tuba and was particularly popular in the 19th century, the ophicleide had a distinctive conical bore and produced low pitches.
8. Sousaphone: A member of the brass family, the sousaphone is often associated with marching bands and jazz and is known for its low, powerful sound.
9. Serpent: An obsolete woodwind instrument, the serpent had a distinctive serpentine shape and was known for its deep, snake-like sound.
10. Mbira (thumb piano): While not primarily known for its low pitches, the mbira, a traditional African instrument, has some lower-pitched keys that produce deep, resonating notes.
11. Didgeridoo: An Australian Aboriginal instrument, the didgeridoo is a long, end-blown wooden instrument that produces a continuous low drone.
These are just a few examples of instruments with low-pitched sounds. Each instrument has its own unique timbre, range, and playing technique, contributing to the rich sonic palette available to musicians and composers.