1. Allegro (Piano Quartet No.1 in G minor, K.478: Ｍｏｚａｒｔ：　１．　Ａｌｌｅｇｒｏ　［Ｐｉａｎｏ　Ｑｕａｒｔｅｔ　Ｎｏ．１　ｉｎ　Ｇ　ｍｉｎｏｒ，　Ｋ．４７８］|Piano Quartet No.1 in G minor, K.478: Mozart: 1. Allegro [Piano Quartet No.1 in G minor, K.478])