Waveform Audio File Format or WAV is an uncompressed audio file format with great bitrate and high sound quality.
YouTube music videos aren't stored as WAV by default. Thus, you need to make 2 steps: download YouTube video and then convert it to WAV file.
With the help of Freemake freeware, you'll be able to turn YouTube video into WAVE audio track. Grab YouTube songs easily with our audio converting tools.
Here's How to Convert YouTube to WAV:
Step 1. Copy YouTube link
Download, install and run Freemake Video Downloader. Go to YouTube and copy the URL of the video you want to convert to WAV.
Step 2. Download audio file
Click "Paste URL", choose the quality and "Convert to MP3" action. Hit "Download & Convert".