Video: De La Soul’s Plug 1 & Plug 2 – Must Be The Music February 8, 2012 Music 449 De La Soul’s Plug 1 & Plug 2 present First Serve – The album out April 2nd. Watch the video for ‘Must B The Music’ the upcoming single from the animated world of De La Soul’s Plug 1 & Plug 2 present First Serve.