Bass , Musicians Alana Rocklin STS9 Series 1 Card 3 Series 1 , STS9 STS9 Electronic, Rock Series 1 Card 10 Drums , Musicians Jeffree Lerner STS9 Series 1 Card 16 Keyboards , Musicians David Phipps STS9 Series 1 Card 37 Drums , Musicians Zach Velmer STS9 Series 1 Card 41 Guitar , Musicians Hunter Brown STS9 Series 1 Card 46