1. that is a stupid question because there are no "highest notes". Even pianos can be made with more keys.
2. A tuba player and other brass player have no specific range. With expirience comes higher and lower range through daily exersices like range builders. As a senior in high school I have a range of the lowest Bb on an normal piano and up to the F above middle C. So a professional should be able to hit your "highest notes"
Larger (longer and wider) pipes have a lower resonant frequency than smaller ones. The typical "trumpet" (which is often actually a cornet) plays about two octaves higher than a typical tuba.
Tuba, it is the longest so it creates the lowest tones. In order it would be tuba, baritone and trombone. Baritone and trombone are basically the same but baritone sounds a bit better at the lowest part of its range.
The tuba plays in the brass instruments. In the same group as the saxophone, trumpet, etc.
A tuba used in marching bands is called a sousaphone.
tuba double bass bass clarinet
Trumpet, by two octaves
Lisa from The Simpsons plays a tuba.
Lisa plays the tuba in one of the intros but I can't locate a character that plays it regularly.
Larger (longer and wider) pipes have a lower resonant frequency than smaller ones. The typical "trumpet" (which is often actually a cornet) plays about two octaves higher than a typical tuba.
Tuba, it is the longest so it creates the lowest tones. In order it would be tuba, baritone and trombone. Baritone and trombone are basically the same but baritone sounds a bit better at the lowest part of its range.
In a string orchestra, the instrument with the lowest pitch is the Bass (also called Double Bass, String Bass, Upright Bass, and Contrabass)
The tuba plays in the brass instruments. In the same group as the saxophone, trumpet, etc.
A tuba used in marching bands is called a sousaphone.
tuba double bass bass clarinet
The cast of When Yuba Plays the Rumba on the Tuba - 1933 includes: Herbert Mills as himself Harry Mills as himself Donald Mills as himself
"International Tuba Day" is celebrated on the first Friday in May each year.
He started out on the tuba in Middle School Band