pull music keyboard challenge update

challenge-music-keyboard/README.md

@@ -10,7 +10,7 @@ You must make a React app which presents a very simple musical keyboard made of
 
 ### Example Screenshot
 
-![Example Screenshot](./example-screenshots/example1.png)
+![Example Screenshot](./example-screenshots/example2.png)
 
 ## What you need to know before starting:
 
@@ -22,18 +22,13 @@ You _will_ need to know...
 - how to create a component in React
 - how to pass props
 - how to populate components from an array
+- how to handle events (button clicks)
 
 In addition, you'll learn...
 
 - How to install a library (in this case, tones.js)
 - How to make synthesised sound with the tones.js library. This is one of many ways to make sound in a web app.
 
-You DO NOT need to know about:
-
-- state
-- fetching JSON from an API
-- promises
-
 # Task: Install the "tones.js" library
 
 - If you haven't created your app yet, use `create-react-app` to create the skeleton of the app.
@@ -99,9 +94,10 @@ If you need a hint, [use the first example in the docs, here.](https://tonejs.gi
 
 Host your app and prove it works by viewing it on your phone!
 
-We recommend you use Netlify. [Instructions are here](https://gist.github.com/nbogie/bf58a391fab6884f77a6adec66047181).
+We recommend you use Netlify:
 
-(You can instead use Heroku to host, or github pages, or codesandbox.io, or glitch.com...)
+Site name: `cyf-GITHUBUSERNAME-tones`
+Repo name: `tones-react`
 
 ## End of basic challenge!
 
@@ -123,6 +119,10 @@ Here's the names of the notes in a C pentatonic scale, for example: `C4 D4 E4 G4
 
 - Add to the interface so that the user can choose what scale they want.
 
+## Advanced Challenge: add controls to change the sound
+
+- Add to the interface so that the user can modify the sound synthesis parameters.
+
 ## Advanced Challenge: make it look good
 
 - Now is a good time to make it look good with CSS, colour, typography, images, and creativity. Or maybe you could ask someone to collaborate with you and do those aspects.