Alpheus Babcock developed the one-piece cast iron frame for piano.
<h3>What is a piano?</h3>
Piano is a musical instrument, having black and white notations of different tones. A person who plays a piano is known as a pianist. The structure of pianos has evolved over time.
The most important evolution in the history of pianos was made in 1825 when Alpheus Babcock introduced a one-piece cast iron frame for pianos.
Hence, option D holds true regarding the crucial development in the history of piano.
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Madrigal, is the answer hope it helps
The statement that best represents a Humanistic approach is b. “If we teach them the right way, they will follow it. "
If you are building a triad whose root is located on a line on the staff, where will the third and the fifth be located?
Answer: There are three triad positions that I am aware of. The first one is Triad Inversion and it occurs when the root is not the lowest-sounding pitch. The second one is First Inversion and it occurs when the third triad is the lowest-sounding pitch regardless of the arrangement of pitches. The final one is Second Inversion and it occurs when the fifth of the triad is the lowest-sounding pitch regardless of the arrangement of pitches.
I hope it helps, Regards.
