I introduced them both to the Firefly universe by Joss Whedon in the winter of 2005 when theaters released the movie Serenity–the spin off of the Firefly series.
Dylan Lohrstorfer is an expert musician both in practice and theory. He has been practicing and studying music theory since his nascent days. Dylan has composed many pieces for the past ten years since his teenage days. He also performs regularly in the Austin, Texas area. My son, Charlie, is an amateur musician who enjoys dabbling in music and composing small pieces here and there.
They definitely need some work on, but I was informed this was a practice video they shared with me merely because they knew I am aficionado of Firefly.