Task: One of my friends Maria Rossi wants a few songs recommendation from my end , Share the KALEO - way Down We Go official music video to maria.rossi1993@gmail.com from my playlist in the YouTube app
Steps:
Open the YouTube app
Go to the Library section
Open the My Playlist from the playlists
Click on the three dots of the KALEO - way Down We Go official music video
Click on the Share button 
Select Gmail for sharing the video
Type the recipient mail id as maria.rossi1993@gmail.com
Click on the add recipient mail id 
Click on the Send button at the top of the screen