The questions cover various aspects of medieval and early music history, highlighting textures, forms, and characteristics of music from different eras. The Medieval era is noted for its long duration and distinct styles such as Gregorian chant, monophony, and the emergence of polyphony. A cappella singing was prominent in medieval music, with harmony and motets playing significant roles in the sacred music tradition.
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The era considered to have the longest period that covered more than 900 years is A. Medieval . The Medieval era, also known as the Middle Ages, lasted from the 5th to the late 15th century, covering over a thousand years, making it the longest single era in Western music history.
The musical texture used in Medieval music that refers to only one note sounding at a time is D. Monophonic . Monophonic texture consists of a single melodic line without any harmonic support or accompaniment.
The most famous medieval musical form which is composed of a single line of vocal melody, unaccompanied in free rhythm, is C. Gregorian chant . Gregorian chant is plainsong, consisting of a single unaccompanied melody line, traditionally sung by choirs of men and boys in churches or by monks.
The musical form that has ample texture with two or more melodic parts being produced simultaneously is B. Polyphony . Polyphonic texture involves multiple independent melody lines played or sung at the same time.
The musical era that was not exclusively performed with an a cappella approach is B. Baroque . Although a cappella was used in the Baroque era, this era is also known for the development of instrumental music and accompaniment.
A singing style performed in group or solo without instrumental accompaniment is called B. A cappella .
The combination of simultaneously sounded musical notes that produces chords and progressions having a pleasing effect is known as C. Harmony .
A short piece of sacred choral music, typically polyphonic and without accompaniment, is called a B. Motet . Motets are known for their rich, polyphonic texture and are typically composed in Latin for use in religious services.