Species of the perfect fifth ( " diapente " ) are then created by the addition of a whole tone to the intervals of the tetrachord.
42.
The tetrachord markers found on the bridges of most hammered dulcimers in the English-speaking world were introduced by the American player and maker Sam Rizzetta in the 1960s.
43.
Tetrachord genera of the four-string lyre, from " The History of the Arts and Sciences of the Antients ", Charles Rollin ( 1768 ).
44.
The system favoured 3 four tetrachord sets ( either modes by themselves or simply degree of the modes with different functions ), called ???????, 7 ???, and ???????.
45.
Hence, according to the current practice of Orthodox chant the protos mele were rather based on the lower tetrachord, but the formula could be used a fifth higher likewise.
46.
This article provides an overview that includes examples of different kinds of classification while also trying to show the broader form evolving from the simple tetrachord to system as a whole.
47.
It played a key role in memorising chant and the earliest tonaries referred to the Greek names as elements of a tetrachord : ??????, ????????, ??????, and ????????.
48.
The shift from the bass bridge to the treble bridge is required because the bass bridge's fourth string G is the start of the lower tetrachord of the G scale.
49.
The first two movements of the fourth sonata from Johann Heinrich Schmelzer's " Sonat?unarum fidium " are passacaglias on a descending tetrachord, but in uncharacteristic major.
50.
The Hindustani music ragam " Sahana " is an upper-tetrachord-dominant Kanada-anga raga, from the Kafi thaat, also allied with Bageshree and Bhimpalasi.
