Download Youtube video/audio

Download tool for grabbing data:

brew install youtube-dl

Update it:

sudo youtube-dl -U

If You want to have just mp3 files. Install tools for converting files from http://ffmpegmac.net/ Move all files to bin folder:

cd path_to_unpacked_zip_tools
sudo mv * /urs/local/bin

Get video file:

youtube-dl https://www.youtube.com/xyz

Get audio file:

youtube-dl https://www.youtube.com/xyz -x --audio-format=mp3