Step 3: Click 'LIBRARY' menu, then the record icon on the left side to check out the recorded songs. Tips: you can try the Record feature while playing songs in iTunes radio station, Spotify, BBC radio stations, and so on. During the process, the cover and artist for a record song will be added to the song automatically, making it quite easy for you to identify the songs in iTunes Library. iMusic will detect the song and record it. You can open a web browser or an application on your Mac to play the song you’re going to record. Step 2: Click the 'Record' button and prepare to record the song you’re going to play. Launch it and click the 'GET MUSIC' menu on the top of the software. Step 1: Download and install iMusic on your computer. IMusic could easily record music and playlists from most streaming music site, all the ID3 tags, like artist name, song title, year and genre, will be added to the song automatically. Steps to Record Streaming Audio on Mac by iMusic