Weekend 153: The best 17 heavy prog albums you may have missed in 2017 (so far): Sorcerer, Protean Collective, Soul Secret, Communic, Subterranean Masquerade, For All We Know, Anubis Gate, Threshold, Circus Maximus, Iris Divine, Von Hertzen Brothers, Mindfactory, Opposing Motion, Vulture Industries, Eastern High, My Soliloquy & Noah Histeria