he could sing along to certain words of "You Are My Sunshine" with his sister. The heartwarming clip has Lydia pausing on specific words as her young brother sings along. At one point ...

The Utah mom posted a now-viral touching and tear-jerking video of her daughter, Lydia, strumming on her guitar and singing "You are my sunshine," to her baby brother, Bo, who has Down Syndrome.

Most people have a song that never fails to make them emotional. Whether it's a tune that evokes sad memories or just a melody that tugs at your heartstrings for reasons you can't quite explain ...

We know you're probably thinking, "There's no way a YouTube video is going to make me cry." But seriously, get out your tissues: Because 10-month-old Mary Lynn Leroux's reaction to her mom singing ...

In the video, Bo can be heard singing the words to You Are My Sunshine along with his sister ... Meet the first-ever Gerber baby with Down Syndrome American Idol scraps bad auditions, vows ...