“Let’s Rock” was a mistake.  Strike that — the title of “Let’s Rock” was a mistake, and The Black Keys set out to prove that Friday night (October 11) at TD Garden. It’s an empty suggestion — a bland one, a vague one. Worse, an outdated one. Who says “let’s rock” in 2019? Dads at a karaoke bar? An ambient artist wisecracking ironically in an Allston basement? The Black Keys never meant “let’s rock.” When the Black Keys said “let’s … Continue reading Live Review: The Black Keys’ celebration ‘Rock’ reaches for the rafters