The students. Armstrong is a four-year public high school located in Plymouth, Minnesota and it is one of two public high schools in the district, along with Robbinsdale Cooper High School. As of the 2015-2016 school year, Armstrong has about a student population of 2005. About 41% of students are students of color.
The tuba (UK /ËtjuËbÉ/ or US /ËtuËbÉ/ ; [ËtuËba]) is the largest and lowest-pitched musical instrument in the brass family. Sound is produced by vibrating or buzzing the lips into a large cupped mouthpiece. It first appeared in the mid 19th-century, making it one of the newer instruments in the modern orchestra and concert band.
Tuba Links http://www.iteaonline.org/ http://www.tubanews.com/ How the sound is made Sound on a brass instrument comes from a vibrating column of air inside the instrument. The player makes this column of air vibrate by buzzing the lips while blowing air through a cup or funnel shaped mouthpiece.he tuba is used a lot in marches and other compositions where it is important to have a strong beat. Made of about 16 feet of tubing, the tuba is the largest and lowest sounding member of the brass family. The tuba uses valves and its cup shaped mouthpiece to change pitches.