The Valsalva manœuvre, named after its inventor, Antonio Maria Valsalva, consists in recalibrating intra-auricular pressure by blocking the nose and blowing relatively strongly with it. After listening a few times at loud levels, this method seems essential. The piece uses three compositional strategies: iterations, drones and sudden impacts. Throughout the work, these procedures are combined to the point of saturation. Metallic sounds were preferred in the making of the piece, and different orchestral percussion instruments can be heard: tam-tams, antique cymbals, bell plates, tuning forks, many usual objects, and even a staircase used as an instrument rather than an acoustical space. To ensure a sense of unity to the work, almost all of the musical material was shaped through granular synthesis. The process gives an impression of swarming in almost each and every sound. In 2014, Valsalva won 2nd Prize in the SOCAN Awards for Young Composers and has been played in Buenos Aires during Sonoimágenes festival.
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