Gypsy Songs, Op. 55 - No. 4, When My Mother Taught Me to Sing - No. 5, The Strings Are Tuned (7首吉普赛艺术歌曲，Op. 55 - 德沃夏克：第4 & 第5号小提琴和钢琴吉普赛歌曲，作品55)