In the Edo bakufu, Fudai daimyo (a daimyo in hereditary vassal to the Tokugawa family) was mainly appointed to Sojaban (an official in charge of the ceremonies), and was simply called 'Soja,' and in charge of the duties of Moushitsugi.
江戸幕府では主に譜代大名が奏者番に任じられて単に「奏者」とも呼ばれ、申次の業務を扱った。