From his sister's Facebook post about this video:

"So today is my little brothers 16th birthday, and his first birthday without our dad. But, dad was always filled with surprises. About a month ago I dropped J off at his guitar lesson, and one of the amazing instructors told me there was something I should see. When she showed me I just dropped to my knees, I just couldn't believe it. But I had to keep it a secret until his birthday. So this morning I woke up and picked up my brother from school and blindfolded him. Drove him to the music center and this is the outcome. A big thank you goes out to the music center, who helped keep my dads dream alive."