Variations on a Theme by Haydn, Op. 56a - Variation VI: Vivace (Brahms: Variation VI: Vivace [Variations on a Theme by Haydn, Op.56a]|Ｂｒａｈｍｓ：　Ｖａｒｉａｔｉｏｎ　ＶＩ：　Ｖｉｖａｃｅ　［Ｖａｒｉａｔｉｏｎｓ　ｏｎ　ａ　Ｔｈｅｍｅ　ｂｙ　Ｈａｙｄｎ，　Ｏｐ．５６ａ］)