Summary: Wondering how to add music to iMovie? You've come to the right place - this blog shares the detailed steps on adding music to iMovie on iPhone and Mac.
Music is essential for most kinds of video and movies, setting the tone of your video, making it more attractive, and iMovie projects are no different. You can add your favorite music to the iMovie project as a background score.
Below, we'll guide you on how to add music to iMovie both on iPhone and Mac. Check the simple steps now.
Also Read: How to Add Text to iMovie on iPhone/iPad/Mac>
How to Add Music to iMovie on iPhone
iMovie gives you the option to add a variety of audio files to your iMovie project, including the built-in soundtrack music, songs you've downloaded to your device in the Music app, and any other audio file stored in iCloud Drive, on your device, or in another location.
Follow the simple steps below to add music to iMovie:
Step 1: Start a new project or open one you're currently working on.
Step 2: Tap the Add Media button "+", and select "Audio" to add music to your iMovie project with one of the following options:
- Choose a built-in soundtrack with the Soundtrack option;
- Import a song you've downloaded to your device in the Music app with My Music;
- Select a song stored in iCloud Drive or another location with My Music > Files.

Add Music to iMovie iPhone (source from apple.com)
Step 3: Tap on any of the songs to preview them and choose the one you like or find the one you download or stored directly.
Step 4: When you find the desired one, tap + to add it to your project.
How to Add Music to iMovie on Mac
Then, let's see how you can add music to the iMovie project on Mac:
Step 1: Open your iMovie project and click the "Audio" button at the top of the window.
Step 2: To access your music library, just click Music in the Libraries list (or click iTunes if you're using macOS Mojave or earlier).
Step 3: Preview the song to select the one you like and drag it to the timeline.
Pro Tip: To add music to your iMovie project on Mac, you can also simply drag audio files right into your timeline from the Finder and the Desktop.
How to Add Music with iMovie Alternative on Mac/PC
To add music to your movie or video on your Mac, you can also use an iMovie alternative program like FlexClip - a powerful online video editor both for Mac and Windows pc.
FlexClip is a much more powerful video editor that allows you to easily upload music from the computer or pick one from its extensive media library that offers rich music elements.
FlexClip works directly from your web browser, no download required. Besides, it comes with a clean and straightforward interface making it pretty easy for you to make edits even if you are just new to the program, no video editing experience required. Let’s see how to use this powerful iMovie alternative, FlexClip, to add music to videos.
Step 1: Visit FlexClip Homepage or click the Create a Video button below to get started directly.
Step 2: Go to the storyboard to upload your video with the "+" icon > Add Local Media. You can also pick some assets from its media library with the Add Stock Media option.

Upload Your Video
Step 3: Click the Music icon on the toolbar to add background music from the media library or audio file from a local folder to the video.

Add Music to Video
While you're in the editor, you can use FlexClip's tools to make any other edits you'd like to your video:
- Add & edit text animation to the video;
- Add transition effects, filters to the video;
- Add watermark, overlays & voice over;
- Split, trim, and rotate the video;
Final Words
We talked about the details of how to add music to the iMovie project on iPhone and Mac and shared the best iMovie alternative - FlexClip, which can make you add music to video easier. By the way, FlexClip is also an excellent video maker with multiple other editing tools, just have a try to explore more about it!