[bareiai diplai]. Sign used in pairs in Byzantine Ekphonetic notation.
(fl Nisbis, c530). According to tradition, the inventor of Syriac Ekphonetic notation.
(1) A Byzantine neume indicating the repetition of a note at the same pitch as the preceding one; see Byzantine chant, §3, (ii) .
(2) In the performance of Byzantine liturgical music, the drone-like sustaining of the fundamental note of the mode by some members of the choir while the other singers chant the melody; ...