it is used to play.
Circular breathing is in no way necessary to play the trumpet. Most music does not actually require you to master the technique. At most, circular breathing is a useful technique that can aid in playing. There are other more important things to master.
Cat anderson used a Conn Connstellation trumpet.
You can use any instrument to play jazz but the "Jazz" trumpet (A trumpet with Valves) in the key of Bb is the best.
B flat
The instruments used are the trumpet, the trombone, and the harp
Not always, although it is very common.
A trumpist. I know because I play the trumpet...:)
After every time you play it. Trust me I used to play one.
To improve your trumpet skills, practice regularly, focus on proper technique, work on your tone quality, and seek guidance from a qualified instructor. Additionally, listen to professional trumpet players for inspiration and try to play a variety of musical styles to enhance your versatility.
A trumpet that plays naturally in the key of Eb. (It can be played in other keys, but the scores are basically musical workarounds.) An Eb trumpet is used mostly by pros. It's harder to play in tune, about 1/3rd smaller than the standard student model Bb trumpet. Eb trumpets are mostly used to play solos.
you get the trumpet then you roll it.