Links to the videos and Power Point shows accompanying Amine Beyhom’s article “Theory and Practice of Psaltiki:Why do they not coincide?”.
- Video-animated slide of the scale of the 1st Byzantine mode as performed by Fr. Makarios Haidamous (with use of diapason)
- Video-animated slide of the scale of the 1st Byzantine mode as performed by Fr. Nicolas Malek (no diapason)
- Video-animated slide of the scale of the 1st Byzantine mode as performed by Joseph Yazbeck (no diapason)
- Video-animated slide of the scale of the 1st Byzantine mode as performed by an Anonymous Cantor (no diapason)
- Video-animated slide of the graphic representation of the first two degrees pa and bou of the scale of the 1st Byzantine mode as performed (from Left to Right) by Fr. Makarios Haidamous [MH], the anonymous cantor [AC], Fr. Nicolas Malek [NM] and Joseph Yazbeck [JY], in normal, half- and quarter-tempo(s)
- Power Point show from the slide of the experiment in recreating choir heterophony with the four pa bou pairs cited above
- Power Point show from the slide of the experiment in recreating choir heterophony for the complete, ascending and descending scale of the First Byzantine mode, with the voices of the aforementioned cantors
- Video-animated slides of the incipit (4 seconds) of a Chant by Giorgios Tsetsis proposing three successive analyses in normal, half- and eighth-tempo
- Video-animated slide of Eight different tonics in Kyrie Ekekraxa performed by Bachir Osta (in Greek)
- Video-animated slide entitled In a Straight Line Towards Ditonism with the successive intervals and changes occurring to the degree bou with the successive reforms