...I am so proud to say that I hold a Master's degree in Education and a Bachelor's degree in Mathematics, which has provided me with a solid academic foundation. For 20 years, I had the honor of serving as a certified secondary mathematics instructor at a public school. During this time, I was ab... (read more)
...The second valve lowers the pitch one-half step. The third valve lowers the pitch one and one-half step. By using different combinations, all chromatic tones can be produced. (read more)