I can't prove it. I've never seen them together in the same place. Jack might be using some vocal acting lessons to sound like a Brazilian with English as his second language. If so, nostr:npub1sg6plzptd64u62a878hep2kev88swjh3tw00gjsfl8f237lmu63q0uf63m, bravo you really pulled it off, didn't sound like you at all.