: Often focuses on A Major (3 sharps) or E Major (4 sharps).
To help you "develop the piece," here is a structured approach based on the typical content of a Lesson 13 curriculum (usually Intermediate level): 🎹 Technical Foundation pionalesson13.rar
The file appears to be a specific archive from a piano instructional series, likely a digital course or a YouTube tutorial series. : Often focuses on A Major (3 sharps) or E Major (4 sharps)