'''Musical harmony''' was invented in the late 800s A.D. Singers in monasteries like St. Gall in Switzerland improved the basic chant by adding a voice in parallel motion in order to sign in mostly perfect fourths or fifths along with the original tune. This was the beginning of musical harmony, and is known as [[organum]]. It later developed into [[counterpoint]].
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'''Musical harmony''' was invented in the late ninth century A.D. Singers in monasteries like St. Gall in [[Switzerland]] improved the basic chant by adding a voice in parallel motion singing in intervals (typically perfect fourths or fifths) along with the original melody. This was the beginning of musical harmony, and is known as [[organum]]. It later developed into [[counterpoint]].
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The music written during this early medieval period (the [[Dark Ages]]) is mostly anonymous.
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The music written during this early [[Medieval]] period (the [[Dark Ages]]) is mostly anonymous.
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In A.D. 1100, an improvement known as the "florid organum" occurred, as inspired by a monastery in south-central France known as St. Martial. In the "florid organum" the original tune is sung in long [[note (music)|noets]] accompanied by a voice that sings many notes for each original one, emphasizing the perfect consonances (fourths, fifths and octaves)
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In A.D. 1100, an improvement known as the "florid organum" occurred, as inspired by a monastery in south-central [[France]] known as St. Martial. In the "florid organum" the original tune is sung in long [[note (music)|noets]] accompanied by a voice that sings many notes for each original one, emphasizing the perfect consonances (fourths, fifths and octaves)
Groves defines a [[chord (music)| chord]] as: "The simultaneous sounding of two or more notes."
Groves defines a [[chord (music)| chord]] as: "The simultaneous sounding of two or more notes."