Here is a 1-paragraph summary of the provided text: This tutorial guides developers in creating a video app using SolidJS, Express, and Twilio Video. The backend server generates Twilio Video access tokens and connects to Twilio Video rooms, while the frontend application shares the audio and video of every participant in a room. Developers must set up their environment with Node.js, npm, and Twilio credentials, then create the backend server using Express and Twilio's Video API. They also build the frontend application using SolidJS, connecting it to the backend server via an HTTP request. The tutorial concludes by demonstrating how to handle participant connections, video tracks, audio tracks, and disconnections in a Twilio Video room using SolidJS components.