singers that have sung songs about their mothers, "blank stares" by jay allen is one that hits your soul. ♪ ♪ you come and go so fast >> reporter: nearly a million people have shared this cell phone video of allen singing to his mom, sherry right in his arms right on stage. sherry just 53 years old, battling early onset alzheimer's. ♪ wish i didn't feel so helpless when it comes to helping you ♪ >> reporter: allen hoping not only to reach his mom through the song, but also the millions of others dealing with alzheimer's in their families. allen says while growing up his mom worked two to three jobs to support their family and taught them to think about others. he is now pledging all proceeds from the song go to abe's garden, an alzheimer's care center in nashville. ♪ i know you're still in there, deep down somewhere i swear i still see you ♪