The frontend is built using React integrated with Node backend to parse Spotify API requests to play music.

Step 1: Install dependencies using npm i in both client & server side.
Step 2: Got to Spotify_Dashboard and create a new app.
Step 3: Make a note of the Client_Id & the Client_Secret.
Step 4: In the edit settings of your dashboard put the redirect uri as : http://localhost:3000/callback.
Step 5: Now got to your server dir. and create a .env file.
Step 6: In the file declare your Client_Id, Redirect_uri, Client_Secret as :

__REDIRECT_URI=http://localhost:3000/callback/
CLIENT_ID=(you made note of) 
CLIENT_SECRET=(you made note of) 

Step 7: To run the backend, use - nodemon server.js.
Step 8: To run the frontend, use - npm start.
Step 9: Done!.