Shashii

The piano keyboard is designed with an uneven arrangement of black keys to create a logical pattern for musical scales. The grouping of two and three black keys allows for easier navigation and recognition of key positions across different keys and scales. This uneven configuration visually and mentally simplifies the layout, helping musicians locate specific notes and navigate scales and intervals more effectively.

The world's most expensive piano is the "Casablanca" piano from the movie, which sold for $3.4 million in 2014. This was followed by the Heintzman Crystal Piano, which sold for $3.22 million. The Casablanca piano, featured in the iconic scene with the song "As Time Goes By," was sold along with a signed photograph of Humphrey Bogart and even a piece of chewing gum stuck under the keyboard.

Begin by practicing each hand separately, concentrating on scales, chords, and rhythm. Once you feel comfortable, gradually combine the hands. Start with simple exercises and maintain a steady rhythm while playing at slow tempos. As you build confidence, you can gradually increase the speed and complexity of the pieces you play.