Cameroon is an area of central-western Africa. It borders Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Cameroon's coastline lies on the Bight of Bonny, part of the Gulf of Guinea and the Atlantic Ocean.
The country is called "Africa in miniature" for its geological and cultural diversity. Natural features include beaches, deserts, mountains, rainforests, and savannas. The highest point is Mount Cameroon in the southwest, and the largest cities are Douala, Yaoundé, and Garoua. Cameroon is home to over 200 different ethnic and linguistic groups. The country is well known for its native styles of music.
The territory of present day Cameroon was first settled during the Neolithic (beginning c. 8500 BC). The longest continuous inhabitants are the Pygmy groups such as the Baka.
Cameroon - Musical Bow
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In music theory, the term interval describes the difference in pitch between two notes.
Intervals may be described as:
vertical (or harmonic) if the two notes sound simultaneously
linear (or melodic), if the notes sound successively.
In Western harmonic theory, intervals are labeled according to the number of scale steps or staff positions they encompass, as shown above.Below are some examples:
CC = One letter name involved = a unison (1)
CD = Two letter names involved = a second (2)
CDE or C up to E = Three letter names involved = a third (3)
GABC or G up to C = Four letter names involved = a fourth (4)
CDEFG or C up to G = Five letter names involved = a fifth (5)
GABCDE or G up to E = Six letter names involved = a sixth (6)
CDEFGAB or C up to B = Seven letter names involved = a seventh (7)
CDEFGABC or C up to C (italics here symbolizes the next octave up) = an octave (8)
