(b. 1978, Manila).
Filipino composer of mostly chamber music that has been performed in Asia and Europe.
Mr. Quejada studied composition with Jonas Baes and Ramón Pagayon Santos at the University of the Philippines Diliman in Quezon City from 2000–10, where he earned his BMus and where he also studied orchestration with Josefino Chino Toledo from 2005–07. He has studied composition with Dieter Mack at the Musikhochschule Lübeck since 2012, on a grant from the Deutscher Akademischer Austauschdienst.
His music has been performed in China, Germany, Hungary, Indonesia, New Zealand, and the Philippines.
He is also active in other positions. He served as executive director of the Manila Composers Lab from 2010–12.
He taught at the University of the Philippines Diliman from 2010–12.
COMPLETE LIST OF WORKS
Luha ng Pagkukulang – Tears of Inadequacy (incidental music, play  by Maria Stella Rossa Lopez, Sharon Perlas), cello, piano, 2004 (may be performed as a concert work)
Time is a Construct., violin, 2 synthesizers, 4 gongs (+ floor tom; 1 player, moving around stage), slit drum, clock, 2000
Paghinga – Breathing, flute, 2001, revised 2006
Argumento, flute, oboe, guitar, viola, cello, double bass, piano, 2002
September 13, 4:45 – 11:25 PM. Under the Bamboo, by the Rainbow-colored Creek, violin, 2002
Nang Umulan – Rain, bonang panerus (rack of pot gongs from Indonesia) (tuned in pelog), bonang barung (rack of small tuned gongs from Indonesia) (tuned in pelog), kenong (large gong from Indonesia) (tuned in pelog), suspended gandingan (gong with freely-vibrating sounds from the Philippines), 8 suspended agung (gongs with stopped sounds from the Philippines; 4 players), any 10 bamboo scrapers, any 10 bamboo quill-shaped tubes, any 10 bamboo buzzers, 2003
Dahan-dahan. Madilim. – Slowly. Dark., cello, 2003 (film score; may be performed as a concert work)
Points of Distraction, clay water-whistle, specially-constructed wind chimes, suspended agung (2 players), table, shaker (+ whistle flute), any bamboo scraper (+ whistle flute), any 2 bamboo buzzers (both + any bamboo scraper, whistle flute), slit drum (+ whistle flute) (any 3 players + piano), prepared CD, 2004
Luha ng Pagkukulang, cello, piano, 2004 (concert version of stage work)
Movement as Stasis., flute, oboe, clarinet, bass clarinet, alto saxophone, 2 violins, viola, cello, piano, glockenspiel (+ crotales), 2006
Tension Study, violin, cello, piano, 2006
Prefab 1: Framework, flute, clarinet, viola, cello, 2010
Prefab 2: Space, 5 ensembles, 2010
Prohibitively Aesthetic, trombone, piano, 2011
Sprache: Study 1, oboe, cello, piano, 2012
etwas, das nur schön ist., flute, oboe, clarinet, French horn, harp, violin, viola, cello, 2013
Tahan Na. (text from the syllables "ta", "han", "na"), 5 mixed voices, 2005
Eh Pa'no Na Kung 'Di Sumikat Ang Araw Bukas?! – But what if the sun doesn't rise?!, alto (+ specially-constructed wind chimes), kenong, tam-tam, suspended agung, 2001
Kwitis (text by Alan Popa), tenor/baritone, piano, 2005
Laro (game for children), 40 angklung (sets of bamboo tubes from Indonesia) (+ 40 bumbong [large flutes from Indonesia]), 2006
FILM SCORE (DIRECTOR):
Dahan-dahan. Madilim., 2003 (for Nukal by Bon Albert Reyes) (may be performed as a concert work)