Louis Köhler's "12 Easy Studies, Op. 157" is a collection of piano etudes designed for early intermediate students. These studies focus on developing finger dexterity and musicality through various techniques like five-finger patterns, scale passages, and broken chords. They are known for their musicality and ease of play, making them a popular choice for teaching and performance. Thank you for your donation and support, whatever the amount of your donation means a lot to me.