Hey party people! Did you know Brainson is celebrating our 10th birthday and we just made

a whole episode about the happy birthday song over on forever ago. You should go over there

and check it out. You can listen to it now. And if you want to sing us happy birthday or

send us a birthday card or a picture of a birthday cake, you baked especially for us

for Brainson.org slash contact. We love hearing from you. Thank you so much.

Hi you're listening to Brainson. A show featuring awesome kids and stuff that makes

kids awesome. Today is all about music. We have some questions. What is harmony exactly?

What does it take to be a great rapper? How does sound travel? We'll answer all these

questions and more. Keep listening.

I'm Molly Bloom and here with me today is Joe Heyman. Welcome Joe. Hi Molly.

Thanks so much for being here. You're welcome. Thank you for having me. So can you tell us a

little bit about yourself? Well I am 12. I turn 13 in 8 days. Happy birthday. Thank you.

So I understand that you are a musician. Yes I play trombone and bass guitar. I started

playing trombone in 4th grade. And how did you start? How does the process of learning

to play trombone go? Well first you need to kind of like know how to play it and you need

to buzz your lips in the mouthpiece first. And then you have to learn the notes. And the

hardest part is moving the slide into different positions because you have to hit like the

exact position or it sounds strange. So that's quite hard. So how do they teach you how to

do that? Well they kind of just teach you different notes in what position they're in and then

they'll give you like a sheet that shows you all the positions on the slide. So basically

then your arm just kind of knows where to go for a different note. That's kind of like muscle

memory at a certain point. Yes. Cool. And so then the buzzing in the mouthpiece, what does that

...