Alain Leroux posted this video of his wife Amanda singing Rod Stewart's "Мy Неаrt Cаn't Tеll Yоu Nо" to their then-10-month-old daughter Mary-Lynne two years ago, but it's resurfaced again to a new audience.
Mary-Lynne seems quite composed and happy as her mother prepares to sing her the song ...
But she then goes through a range of emotions, seemingly understanding the words.
Watch the adorable reactions here ... you might find yourself a little teary, too.
Mary-Lynne and her family later appeared on The Ellen Show.
Interestingly, a year later, Mr. Leroux posted another video of his daughter watching the original video:
That's the power of music for you.