Yes, the trumpet 1 part is normally harder than trumpet 2 or 3 and normally the best player or players play on the first trumpet part.
Cornet, though a cornet is basically the same thing, the design of the valve pipes etc. are more circular looking then the classic trumpet. Both make the same sound and are interchangable, the look is just a bit different.
the trumpet makes far more that just 3 sounds
a four valved trumpet can allow the user to get different notes by pressing the different valve just like the 3 valve one
Suspense - 1949 Blood on the Trumpet 3-45 was released on: USA: 3 July 1951
Sound it out! Record it, and play it. Play it on the trumpet until you get it right. Keep trying. Remember, the trumpet only has 3 keys!
Ab scale on Trumpet is 2/3, 1, open, 1/2, 2, 1, open 2/3
Ab scale on trumpet is 2/3, 1, open, 1/2, 2, 1, open 2/3
The buttons on a trumpet are called valves.
On a standard trumpet that is not a piccolo, there are 3. They are simply called the first, second, and third valve.
3 Number of Valves on a Trumpet
90