Variations on a Theme by Haydn, Op. 56a - Variation III: Con moto (Brahms: Variation III: Con moto [Variations on a Theme by Haydn, Op.56a]|Ｂｒａｈｍｓ：　Ｖａｒｉａｔｉｏｎ　ＩＩＩ：　Ｃｏｎ　ｍｏｔｏ　［Ｖａｒｉａｔｉｏｎｓ　ｏｎ　ａ　Ｔｈｅｍｅ　ｂｙ　Ｈａｙｄｎ，　Ｏｐ．５６ａ］)