You can add music to a video on your iPhone with the free iMovie app, and select from stock music or your own library. Here's how to do it.

You can add music to iMovie from a variety of different sources, depending on the device and type of sound you're adding.

Twitch released a small but mighty product update on Thursday, introducing a new tool that lets streamers craft and share short, vertical video clips in seconds. The new clip editor is accessible ...