Complex sentence: Although Miwa is best known as a cabaret singer he has also a in a appeared in number of films, beginning with Shuji Terayama's "Aomori-ken no Shimushi Otoko" in 1967.
Split into simpler sentences: Although Miwa is best known as a cabaret singer, he also performs in a number of movies. The first was Terayama Shuji's "Aomori-ken no Shimushi Otoko" in 1967.