You can always add music files to iTunes. After you save or copy an MP3, AIFF, or WAV file on your hard drive, you can simply drag it into the iTunes window to bring it into your library. If you drag a folder or disk icon, all the audio files that it contains are added [ ]. To add media files to your iTunes library, select the files and drag them into the Music or Movies tabs. Alternatively, you can also try the following to add files manually: 1. Open iTunes. 2. Click File > Add to Library (CTRL+O) 3. Locate the file(s) you wish to add. Hold CTRL to select multiple items. Oct 12, · Mastering iCloud Music Library How to download all your music from iCloud Music Library to your Mac If you don't have a backup and your songs are scattered across multiple computers, you can use iCloud Music Library to unify your libraries on one slicelive.com: Serenity Caldwell. Jan 15, · I tried in iTunes, choose File > Add to Library but nothing happens. I tried to drag/drop the file into the iTunes window but that doesn’t work either. BTW by window I mean my list of songs (my music Library) the grid, since I don’t see any other windows. Oh, I tried also to choose other media in the menu: “Movies”, “TV shows”.