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Good morning, everyone.
Today is the second class of music.
This time, I'm going to make a song with Scratch.
Last time, we used biscuits to make a keyboard.
It was fun.
I'm going to make a song this week and next week.
At the end of next week, I'll sing a song that we all programmed.
Shinji, you're showing your true colors.
I'm going to show you my cool side.
Let's decorate the end with a lively atmosphere.
Today, I'm going to program the tempo with a scratch drum.
In this music class, I'm going to program the tempo with a scratch drum.
Tempo is the speed of a song.
For example,
Tempo is the speed of the sound.
If you slow down this speed,
Tempo slows down.
On the other hand, if you speed up,
Tempo speeds up.
This tempo is important for music.
And it's important to understand this tempo.
The beat.
The beat is the part of the metronome that sounds like this.
It's the unit of this sound.
The sound of a click is one beat at a time.
The sound of a click is two beats at a time.
Even if the sound speeds up or slows down,
The unit of a single sound is called a beat.
Did you get it?
And the next important thing is the number of beats.
The number of beats I just explained is called the number of beats.
In music, there are mainly three and four beats.
For example,
1, 2, 3
Like this, the song that goes on in three beats is called a three-beat poem.
The song that goes on in four beats is called a four-beat poem.
There are many four-beat poems in the songs that everyone is listening to now.
And don't forget to make music.
Novels
Novels are a combination of three-beat and four- beat poems.
If you look at the sheet music, it's divided into each of these novels.
These are very important for making the tempo to study today, so remember them.
It is easy for many children to stumble when studying music.
It is difficult because there are a lot of strange symbols.
However, if you do programming, you can learn the mechanism to read the sheet music at the same time, so you can get used to the music with the feeling of the game.
This is the best part of learning various subjects through programming.
It seems that there are fewer children who are not good at music.
Then, Prosta-chan, please tell us how to do programming.
First of all, I want to choose a drum sprite, so let's click on the cat mark at the bottom right.
If you scroll down a little, you will see an illustration of a drum, so let's click on it.
If you can do this, add a music palette.
Click on the add expansion function at the bottom left.
Then click on the music at the top left.
I haven't used it yet. I used it when I was a micro bit.
Then, let's program the tempo from here.
First, select when the space key is pressed from the event palette.
Next, let's connect the tempo to 60 from the music palette.
Then, check the tempo block in the music palette.
If you do this, the tempo will be displayed on the stage.
This time, I want to change the tempo to 120, so let's change the number of 60 to 120.
This alone will not change the tempo.
Let's press the space key and change the tempo.
Let's program the drum sound.
First, select the event palette when the flag is pressed.
Next, click the music palette.
This time, I want to program the sound one beat at a time, so I will change the number of 0.25 to 1.
Now, I want to make one measure, so I will connect four blocks to make it four beats.
Next, click the snare drum and change all four to a closed hi-hat.
Change all four.
Next, select 10 times from the control palette and insert four blocks.
After inserting, change 10 to 4.
4
With this, the 4-second rhythm can be repeated 4 times.
With this programming, I was able to create this rhythm from scratch.
With this alone, the sound is not enough, so let's add a little more drum sound.
Select when the flag is pressed from the event palette.
Next, change 0.25 to 1 in the 0.25 break in the music palette.
If you can change it, connect the one-night break block to the bottom when the flag is pressed.
Next, connect the snare drum's drum to the one- night break block.
Next, connect the one-night break block to the bottom, and connect the snare drum's drum to the one-night break block again.
With this, the one-night break and one-night drum sound is completed.
Select the 10-time-repeat block from the control palette and change 10 to 4.
Let's listen to Iori-chan's rhythm.
Here we go. Iori-chan, well done.
Today's work.
Let's make your own original rhythm.
Today's work.
Let's make your own original rhythm using the drum programming we learned earlier.
In addition to the snare and closed hi-hat, various sounds are prepared for the scratch.
And the important thing to make a rhythm is the note.
Even if you make the same bar, the number of notes will change depending on the note.
For example, if it is a quarter note, it will be four times in a bar.
If it is an eighth note, it will be eight times in a bar.
If it is a sixteenth note, it will be 16 times in a bar.
This is how it works.
If you express this with programming, the quarter note will be one beat.
The eighth note will be 0.5 beats.
If it is a sixteenth note, it will be 0.25 beats.
How many beats do you make the sound?
Let's make the original rhythm by repeating the try and error yourself.
How many times do you repeat this?
What is this?
What kind of rhythm did you program?
It's time to announce the results.
First, Shinji.
I want to see and hear it.
It's amazing.
I wanted to do this.
It's like half a second.
Let's take a look at Shinji's programming.
Shinji doesn't just play one beat at a time.
When he rests 1.5 beats, he programs to play the open hi-hat 0.5 beats.
Let's listen to this sound.
When he rests 1.5 beats, he programs to play the open hi-hat 0.5 beats.
When he rests 3 beats, he programs to play the open hi- hat 0.5 beats.
And this is the result of his study.
As expected of the young master of Shonan no Kaze!
Well done!
Next up is Iori-chan!
Iori-chan, what are you doing?
This is funny.
I really wanted to make it more cheerful.
I didn't want to do it at all.
She couldn't program as she wanted, but it's important to study.
Next time, let's program to get closer to the ideal.
Next up is Emily-chan!
Isn't this what Iori wanted to do?
What is it?
Wow!
Wow, cheerful!
This is it!
It's a very cheerful rhythm.
What is that?
I think it's a gyro.
Gyro?
I combined various sounds.
It's like a latin music.
Emily-chan, in order to make a cheerful rhythm,
she combined various sounds such as gyro, cowbell, and vibrato rap.
She made a very fun-looking rhythm.
The last one is Incho!
Here I go.
Wow, amazing!
That was really good!
I made it based on what I did in the first class.
I wanted to express the feeling of the rhythm of a live performance.
It seems that the chairwoman programmed a hand- written note that is often heard at live performances.
As expected of the chairwoman! She did a good job!
After this, it's time for the programming examinations!
Next, it's time for the programming examinations!
Hana-chan and Hitomi-chan have been studying Scratch for about three months to pass the exam.
This project will be repeated two more times.
So, it's time for you to take the exam next week!
I heard the last recording yesterday.
I thought I wouldn't pass the exam, but I didn't expect it.
Don't worry!
Today, Ms. Aikawa has also come to us.
We will challenge a question that has passed the exam and is one rank higher!
Thank you for your cooperation!
Thank you for your cooperation! Today, I passed the exam and got rid of the types of questions that come up a lot.
So, it's time for a quick quiz test!
Can Hitomi-chan and Hana-chan answer the questions?
Let's get started!
Question 1
This code is a code that duplicates a strawberry sprite in a full mask like this.
If you want to duplicate a lot of different colors of strawberries by adding this code that changes the color of the sprite,
where should I put the code that changes this color in the next four characters?
Question 1
Behind the word hide.
Question 2
Question 3 Behind the word clone.
Question 4 Behind the word show.
Please answer the correct answer.
Hana-chan and Hitomi-chan, did you get the answer?
First, Hitomi-chan, please tell us the answer.
I chose the answer behind the word hide.
I can't remember the word clone.
It's really hard to guess.
I'd like to understand what it is because it's a clone.
What number did you choose, Hana-chan?
I chose number 3.
The number 2 means that the number of strawberry sprites will increase.
I don't know if the answer is correct.
The number 2 means that the number of strawberry sprites will increase.
I thought I could change the color of the increased strawberry.
So, I put the number 2 behind the word hide.
Hitomi-chan chose number 1.
Hana-chan chose number 3.
Two people have different opinions.
Ms. Aikawa, please tell us the correct answer.
The correct answer is number 2.
It's behind the word hide.
I got it.
I was wondering which one to choose.
The correct answer is to change the color only once.
So, I put the number 2 behind the word hide.
I thought I did it in the previous lesson.
The point of this problem is to increase the number of sprites while changing the color.
If you put the number 2 behind the word hide,
the number of strawberry sprites will be reproduced.
Let's move on to the second question.
This code was made to play BGM in the work.
If you execute this...
The sound overlaps.
Which of the following 4 programs will solve this problem?
1. Play the BGM all the time and set the tempo to 60.
2. Play the BGM all the time.
3. Play the BGM all the time and set the volume to 3.
4. Play the BGM all the time and stop all the sounds.
Does everyone understand this problem?
The answer is after the commercial.
This code was made to play BGM in the work.
If you execute this...
The sound overlaps.
Which of the following 4 programs will solve this problem?
Hitomi and Hana, which one did you choose?
I chose No.2.
If you play one song until the end...
I thought that the next sound wouldn't play until the end.
I played one song until the end.
If the next sound plays from the beginning, I thought it wouldn't overlap.
Hana, which one do you think is the correct answer?
I was confused between No.2 and No.4, so I chose No.4.
If it's No.2, I thought it would be repeated until the song was over.
I thought it would be necessary to stop all the sounds, so I chose No.4.
Hitomi chose No.2 to play BGM correctly.
Hana chose No.3.
Let's try it out.
Here we go.
What is the correct answer?
Isn't this too simple?
This is the simplest one
It's impossible to guess
It's not a guessing game. Think about it
I really want to say it
By the way, Hana-chan chose number 4
As you can see, as soon as the sound is played, she repeats stopping the sound
So, out of the options for this question, number 2 was the correct answer
Then, let's move on to the third question
When you execute script A, a certain figure is drawn
When you execute script B, which figure is drawn?
Here are the options for this question
1. Other characters
2. Flower pattern
3. One square
4. Nothing is drawn
There are 4 keys to solving this question
First, let's see what kind of figure can be drawn with script A
This is a preparation to call the sprite to the specified coordinate, lower the pen, and draw a figure.
Then, it means to move 100 steps and repeat the 90-degree rotation 5 times,
so you can see that the figure to be drawn is a square with a 90-degree angle,
but here is the second key.
At this time, you can actually draw a square even if you repeat it 4 times,
but since this is 5 times, the sprite stops at a state where it moves 100 steps forward and rotates 90 degrees from the original direction.
This is the figure to be drawn by executing the script A in the problem.
And here is the third key.
Script A is instructed to execute when you receive message 1 sent from script B,
so if you look at script B, there is a block that sends message 1 and waits 4 times,
so it means to repeat script A 4 times.
The figure to be drawn with script A is a square, but when you call the sprite to the specified coordinate after the second time,
the direction of the sprite remains in a state of 90-degree rotation, so you will draw 4 squares.
And this is the fourth key, but this is for script B, 90 degrees, and you will notice that you do not need to erase all two blocks this time.
Did Hitomi and Hana-chan lead this correct answer?
It's hard to understand the problem.
I chose number 4, but I erased all of them, so I simply chose number 4.
I chose number 1.
At the end, I was wondering whether to choose number 1 or number 4.
If you just look at script A, you can draw a single square.
I have to repeat this B four times, so I've been thinking about which one is the best.
Which one is the correct answer? Let's find out!
I chose four at the beginning, and I had time to think about it when I was reviewing it, so I thought about it.
I'm glad! Thank you, Nyanko!
If you read the question, it says that if you execute A, you can draw a figure.
Next time, it's finally time for the actual exam!
Will they be able to pass the exam?
This program was brought to you by FROSTA, a programming learning system company.