Decibel and tempo are two different things.
I know the difference 
As for changing the speed of a song I believe there is no way to achieve that in Kodular or MIT App Inventor
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You can use this extension to play music and change the speed of the music 
You get the player this way
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Forgot about that …
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I’m a musician and I was looking for + - like with an organ and I wanted no distortion in the sound. I guess I should be thankful I found it. and thank you. but how to donwload? is this a plugin? how do i set it up? thank you
You will have to download it from the post and import it in your project
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I installed it thanks. I set everything up with normal player. should I replace them all with PLY now? I just need speed to home page. Is there an easy way 
Yes if you want to implement the speed control option
you to make list area 7 ?
sorry i started Kodular yesterday
I use an app with standard player and I just want to get speed from PLAY to my homepage.
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Not sure but maybe don’t even need that. A web view may work fine with html5 tags, and html5 allow change the speed of audio and video. Never tested it but depending on the project is worth to try
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I envy you so much, how knowledgeable you are. Thank you so much. I got a solution from you for 2 problems. it’s just up to me to do the same like a jigsaw puzzle. I’m a bit of a fool, but I’ll get it done tonight.
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You have to attach the initialize block where when you have to start the music for example in an event when button click ,etc.
In path you have to give the source of the music like its path or url
Also leave thumbnail, subtitle, subtitlelang fields empty
Here is small example
You can also attach variable in path which contains url of the music if calling url from any database
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I want it to rule all players. I don’t know what to write on the path
I have uploaded the audio files. now will I show them the way one by one and how?
Also I can’t see the speed image on my homepage.
If you want to load the files from assets you can follow this procedure
/storage/emulated/0/Android/data/io.makeroid.companion/files/assets/
Here you just have to write music file name of the file you uploaded in assets 
I think I can.
Why can’t I see it on the home page? I wanted a standalone slider or + - button. speed up or slow down rhythms as you play., Am I really on the right track?
It will initialize in the apk when you click the button for playing
but i want it to show below constantly, this is the biggest feature of my app. Can’t I do this? just like a slider.
Because first the speed will be adjusted and then it will be play. That’s how it is in orgs