Musical instrument in the shape of an electronic harmonium - synthesizer, for learning and performing Byzantine music and Western music

摘要

Musical instrument in the shape of an electronic harmonium or synthesizer, for learning and performing Byzantine music and european - western music, where the notes of the Byzantine music (phthongs) and of the European-Western music coexist and are produced by the activation of the corresponding 79 keys or activation means covering 2 octaves of the Byzantine music scale. A band switch enables shifting the whole keys by a further 2 octaves.;14 keys, corresponding to the 7 tones of the natural heptatonic diatonic scale, are arranged horizontally; the alteration keys for the intermediate note-cells of each tone are arranged verticall above their respective tone keys, totalising 72 keys. In addition two notes from the next octave and the respective intermediate note-cells are added for convenience of play, totalising 79 keys.The western music tones not falling within +/- 0,6% on the tones of the natural diatonic scale (B and E) are made to correspond to a correspondiong alteration key of the Byzantine music scale.This arrangement enables to perform musical pieces of Byzantine Music and of European-Western Music as well, at the same time, without any adjustments.;Additional features:A second 16 key set on two rows replicates the two octaves of 7 tones of the heptatonic scale, plus keys for the the flat alteration of the respective middle tones ("Zo flat").;Pitch shift by +/- 1 to 5 semitones of the band of the byzantine music; volume control; metronome; mixing, volume control of the rhythmic beats of the metronome, performance rhythm of the musical pieces, time signature (type of tempo from 0,25s to 1,25s). Powered by main or by batteries.The complex sounds are reproduced through two loudspeakers, or through an external connection.