Dancing isn't much fun if there's no music.
So in this video, you'll add some tunes
for the sprite to dance to.
This video demonstrates how to add music
then you get to try it in your own project.
In Scratch, there's a stage, or a backdrop,
where the sprites move.
The code blocks you've added so far all belong
to the dancing sprite and they tell it how to move.
You want the music you add to your project
to play for all sprites, not just the dancing sprite
so click on the stage and add your music blocks there.
With the stage selected, click on the sounds tab
and choose a sound from the sound library.
Scratch has many types of sounds to choose from
but since this is a party, you're gonna choose
from the music loops menu.
A music loop is a sound that is designed
to be played over and over again,
but that still sounds like one continuous song.
Listen to the different music loops available
(drum loop) select one
and add it to your project.
The sounds will now be added to your project.
Next, click on the sound menu.
Choose the "play sound until done" block.
If you click the block, the music will play once.
But you want it to play forever so add a forever loop
around the "play sound until done" block.
After you add the forever loop, the blocks will instruct
the computer to keep playing the music forever.
Look back at the sound menu.
You'll notice that there is a "play sound until done" block
and a "play sound" block.
There's an important difference between these two
and you can see that in this example using the meow sound.
If you put the "play sound until done" block
inside the forever loop, the sprite will meow over
(cat meow) and over again.
(cat meows repeatedly)
If you try the same code using the "play sound" block,
listen to what happens.
(rapid distorted meowing) Right.
That sounds weird.
This block stack says play sound meow forever
but the computer plays the sound
then immediately plays it again and again
so not a single meow is ever finished.
When you use the "play sound until done" block,
the computer will wait until the sound finishes
before it moves onto the next block.
In your dance project, you'll want to use
the "play sound until done" block.
Otherwise, your project will never be able
to play the music.
Lastly, adding one flag click block
to the top of your code stack.
Now it's your turn.
Click on the stage backdrop.
In the sounds tab, choose a music loop.
Using forever loop and a "play sound until done" block
to play the music forever when the flag is clicked.
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