However, you can find legitimate digital and physical resources here:
The Premier Piano Course was co-authored by Dr. E. L. Lancaster and Gayle Kowalchyk, industry legends who understood that the "old way" of drilling Middle C wasn't producing the most musical students.
One of the key features of Alfred's Premier Piano Course 1A is its use of a variety of musical styles to illustrate key concepts. For example, students may learn about rhythm and timing through playing a funky jazz piece, or develop their finger independence through playing a classical etude. This approach helps to keep students engaged and interested, as they are able to explore different styles and genres.