Then leaning over,the master reached down with hie left hand and began filling in a bass part.Soon his right arm reached around to the other side of the child and he added a running obbligato.

• 这位钢琴大师俯下身来，伸出左手弹奏低音部，右臂随即绕至孩子的另一侧，补上了一段流畅的伴奏。