Once you’ve downloaded the file, open it in your Mac or PC. You can also choose to preview the song by touching its left edge. Garageband will open and you will be able to preview the audio.
Once you find the song you want, tap the Files tab and select the “Import” option.
You can browse to your favorite music website or use the Search bar to find a particular song. To import a song into Garageband, you will need to use your Apple device.