Kendrick Lamar guitarist Rob "Freaky Rob" Gueringer: "Remember that when you are working with these artists, you are an artist as well"
He's toured with Eminem, Cardi B, Usher and Mac Miller. Now, "Freaky Rob" tells GW how he became one of hip-hop's most in-demand guitar players - and the face of Fender's American Acoustasonic Stratocaster
