The Contra-bassoon is 18 feet of tubing and can produce a lower pitch than a tuba, but is a rare instrument and I am not 100 percent sure it produces the lowest sound of any musical instrument.
Tuba the TUba
The cello makes the lowest sound of a string instrument.
dog whistle
It is a musical instrument that makes sounds by vibrating strings (for example, violin, guitar).
String instruments provide the most soothing sounds.
It is likely that a large, well made pipe organ produces the lowest sounds, at least among the acoustic instruments. Electronically you can produces sounds of arbitrarily low pitch.
use different techniques and play it differently
The contrabassoon. Please learn to use google. It's not hard bro.
tuba
The state that sounds like a musical instrument is Oregon.
Because the strings are longer and thicker which makes the frequency lower, which makes the note lower.
The trombone is the 2nd lowest brass instrument
The Trombone is the 2nd lowest brass instrument