Elon Musk and Grimes's son X Æ A-XII plays the keyboard in adorable viral video. Watch

In an adorable viral video posted on Instagram, Elon Musk and Grimes's son X Æ A-XII played the keyboard.

Tesla chief Elon Musk and his girlfriend Grimes's baby boy X Æ A-XII is just so cute and do you know that he can play the keyboard as well? In a post on Instagram, Grimes shared a short clip of her 10-month-old son playing with a portable keyboard and he is just adorable. The Second Last Kingdom pic.twitter.com/Je4EI88HmV pic.twitter.com/lm30U60OtO Although Grimes had shared the videos on her Instagram stories earlier, she shared her son's clip again along with some other pictures of herself in a post on her birthday on March 17. In the video, the baby, dressed in a white shirt and green dungarees, played with the keyboard.