What is a sample here at trumpetsizzle.com? It is just a small taste of the full tutorial or course.
Before investing a decent amount of money and time getting started with any trumpet or brass player course here, you may not be totally sure if it will be for you.
There are many samples which should give you a better idea as to the "feel" and vibe of what you are interested in.
It is much better to pay $7 or $17 NOW, then to pay $997 and find it wasn't the course for you!