Zacari the newcomer artist made a appearance on Lamar’s highly talk about project D.A.M.N which features from Rihanna and U2. Before today, many may not have known Zacari’s name, but thanks to Kendrick’s this may now change. The 23-year-old calls this experience “unbelievable an says to have a song with a guy like Kendrick Lamar in this generation,…