Question: how to download music from youtube on mac free?
Answer: Install FLVTO YouTube Converter. Head over to www.flvto.biz/youtube-downloader-for-mac to download and install FLVTO YouTube-Downloader.
Run the Program. Click FLVTO icon in the Dock to launch the program.
Copy a YouTube video URL. ... 
Paste the YouTube video URL. ... 
Export the Song to iTunes. ... 
Enjoy New Tunes.