活页乐谱

原文

Greulich, Karl Wilhelm. 12 Exercises, Op.19. Piano (left hand and both hands). Classical. Exercises. Studies. For piano left hand. For 1 player. Scores featuring the piano. Scores featuring the piano left hand. For piano.

译文

Greulich，卡尔威廉. 12练习，Op.19. 钢琴（左手和双手）. 古典. 练习. 研究. 左手钢琴. 1球员. 比分为特色的钢琴. 比分为特色的钢琴左手. 钢琴.