Beyonce’s legal team is going to have to work a little harder to slay a copyright infringement lawsuit over her hit “Formation.” Spoken word from the late Anthony Barre — also known as Messy Mya — is featured on the song, and his estate sued in February for copyright infringement, among other claims. Barre’s voice is heard saying “What happened at the New Orleans,” “Bitch, I’m back by popular demand” and “Oh yeah baby. I like that.” His sister, Angel Barre, claims the samples infringe the rights in two works of her brother’s performance art, “A 27 Piece Huh?” and “Booking the Hoes from New Wildings.” A Louisiana federal judge…