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14/1978: "Agualarga", for two pianos and electronics

Agualarga (1978), for 2 pianos, vibraphone and electronics


 

In Agualarga, three constants are present  throughout the piece:

-a rhythmic pattern: sixteenth notes at a metronomic value of 232 each;
-a harmonic pattern: successively 440, 220, 110 and 55 Hz. as fundamentals,
with their respective partial tones;
-the 5th and the 10th partial  of 110 Hz. (played by the vibraphone) which is
used as a synchronization signal for the two pianists.

All other events (performed by the pianists) are related to these constants, they are perceived in relation to them.

Agualarga is named after a composition of the black population of the coast of Esmeraldas, in Ecuador, music which I had experienced and collected in the summer of 1977.  I wanted to recall the “joyful” of that music. However, the “dance” kept always returning: it ended as something like a "almost-dance".

Premiere: Herbert Henck and Deborah Richards, Darmstadt, 27th June 1980
Recording: Producciones Mañana No. 1002

Ed. Salabert