XXth century “high architecture” has often been all about attaining a lightness that defies the massive condition of architecture. But there was a time when the idea whas quite different, and not just for ornament. When Lluis Domenech i Montaner builds the Palau de la Música Catalana in 1908 he works on a massive block that so becomes a number of things. Some recent aditions by Tusquets are also noteworthy