Write an article based on this "Open VLC. Click File. Click Open Capture Device. Click the checkbox for "Audio". Click the "Audio" drop-down box and select a source. Click Open. Click Playback. Click Record to start recording. Click the "Stop" button to finish recording. Open your recorded audio file."
It's the app that resembles an orange traffic cone with white stripes on it.  Download and install VLC media player if you haven't already. It's in the menu bar at the top of your Mac's screen.  This opens a drop-down menu. It's in the middle of the drop-down menu. The checkbox will turn blue with a white checkmark to indicate it's been selected. A drop-down list will appear with your Mac's options. Select the audio source you want to record:  Select Built-in Microphone if you want to use your Mac's internal microphone. Select Built-in Input if you have an external mic or other audio source plugged into your computer. You'll need to install Soundflower and select a Soundflower input if you want to record your Mac's audio. It's the blue button at the bottom of the Open Source window. It's in the menu bar at the top of your screen. This opens a drop-down menu. It's the third option at the top of the drop-down menu. Play the audio track if you want to record your computer's audio playback. It's the square button at the bottom of the VLC window. Go to your computer's Music folder. You can open the music folder by clicking on Finder (the blue and white face icon in your dock) and then click the "Music" folder on the left side column. The audio filename will start with "vlc-record-" and then end with the date and time the recording was made. By default, VLC stores recorded audio files in the Mac's "Music" folder.