Long Beach-based producer Steelz teams up with Jonn Hart, Rayven Justice & Kalan.FrFr for their new track SWITCH SIDES, the lead single off of Steelz upcoming EP ‘Switch Sides’ is the debut single from the Long Beach native, whose production credits include Quavo, Tory Lanez, Ty Dolla $ign, Eric Bellinger, Kirko Bangs & others. ‘Switch Sides’ features Jonn Hart…