The band is called Motion Device they consist of:

Vocals: Sara Menoudakis, 11
Drums: David Menoudakis, 14
6-string bass & keyboards: Andrea Menoudakis, 16
Lead Guitar: Alex Defrancesco, 19
Rythm guitar: Josh Marrocco, 19

I gotta think Ronnie James Dio is looking down on these kids approvingly, horns high in the air! \﹏/    \﹏/