As a tenor sax, my highest note is the third octave F.
An alto saxophone is in the key of E-Flat, or Eb
The Alto Saxophone is in the key of E flat. That means that an E flat on the Alto Saxophone is the same pitch as a C on a piano or other concert pitch instrument.
The saxophone has been modified over the years but not hugely. the f# key has been added to the saxophone for it to be played a semitone higher
Low B flat for most, but some saxophone models have a low A key below the octave key.
Probably a Recorder. Recorders are used in many Elementary School music classes, so most adults have no heard of them.
An alto saxophone is in the key of E-Flat, or Eb
The tenor saxophone typically plays in the key of Bb.
To play the highest note on the alto saxophone, you typically use the octave key with your left thumb and press down the first three fingers of your left hand while keeping the rest of your fingers lifted.
use every key on the saxophone
The Soprillo piccolo saxophone is a transposing instrument in the key of Bb. Same as the tenor sax.
The first two side keys on your left hand, and the highest side key on your right hand.
Sopranissimo
The highest possible note on the Saxophone is the high F#, which can be only played with the high F# key on only step-up saxes. However, this is not typically played. There are no written notes higher than this, but you can create your own "controlled squeaks" on your sax. (Which isn't the most pleasant sound in the world.)
The Alto Saxophone is in the key of E flat. That means that an E flat on the Alto Saxophone is the same pitch as a C on a piano or other concert pitch instrument.
The saxophone has been modified over the years but not hugely. the f# key has been added to the saxophone for it to be played a semitone higher
Low B flat for most, but some saxophone models have a low A key below the octave key.
a really really high note