Bill Hamm, a founding member of Luminous Voices, has been the Music Director of Rosebud Theatre since 1989. He conducts four choirs, teaches voice and speech classes, and has directed the music of numerous theatre shows, including Cotton Patch Gospel, Quilters, Amahl and the Night Visitors, Godspell, Joseph and the Amazing Technicolor Dreamcoat, and Man of La Mancha, among many others. In addition to Luminous Voices, Bill also sings with the Canadian Chamber Choir, and chairs the Rosebud Festival Society. His diverse musical interests (Bach to Bluegrass) and experience as a trumpeter, choral director, and theatre musician give him opportunities to live a full life.  

Bill lives in Rosebud, Alberta with his wife Renita in their new empty nest; they have four children and two grandchildren. He loves running, mountain biking, hockey, and renovating their 1928 farm house. Bill holds a Master of Music degree (Illinois), a Bachelor of Arts degree (Winnipeg), a Bachelor of Religious Studies degree (Manitoba Bible College) and an Honorary FRSA (Rosebud School of the Arts). He is thankful that the Luminous Voices schedule affords him the opportunity to participate in fine choral music-making even though he comes from out of town.

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Boyd Hansen began singing at the age of seven with the Calgary Boys' Choir. This early exposure to the joys of choral music and the rich experience it affords led him to continue singing with choirs including the Lethbridge Collegiate Institute Chamber and Jazz Choirs, the University of Lethbridge Singers, Spiritus Chamber Choir, Vocal Point Chamber Choir (Toronto), Strata (Hamilton, ON), and Il Sono Men's Vocal Ensemble. He has performed with VoiceScapes and in joint concerts with Pro Coro Canada, the Vancouver Chamber Choir, and the Calgary Philharmonic Chorus.

Boyd is a founding member of Luminous Voices. He holds degrees in physics and engineering, and is currently employed as an integrated circuit design engineer.

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Stuart MacQuarrie is a record producer, songwriter, remixer, and composer.  He has been performing for audiences in Calgary and around the world for more than 30 years, both as a chorister and featured performer.  His original music has been licensed internationally into feature films, television series, video games, and advertisements, and he recently completed a commission for the World Archery Federation to write a new orchestral suite for their international competitions.  Additionally, he writes and performs pop music under the moniker "Stu MacQ"; he released his debut album Welcome to the Friendzone in September 2017 (available on iTunes and Spotify).  Stuart feels blessed to perform with such a remarkable ensemble of gifted musicians.



Praised for an "instantly likeable and exciting voice" with "gorgeous spinning tone", Oliver Munar is in increasing demand for his versatility, clarity, and musicality. Recent solo engagements include the title role of Benjamin Britten’s Albert Herring, as “Pontius Pilate” in Arvo Pärt’s Passio, and as tenor soloist in the Gloriana Dances by Benjamin Britten.  Oliver also recently performed in the nation-wide Mysterious Barricades concert series, and was a featured recitalist at the 23rd International Kodály Symposium and Music Festival (Camrose). In May 2016, Oliver debuted as soloist with the Calgary Philharmonic Orchestra at its popular Bach@Knox festival, singing J.S. Bach’s Mass in G minor and G.F. Handel's Funeral Anthem for Queen Caroline.

Oliver is a founding member of Luminous Voices. He also sings regularly with professional ensembles Pro Coro Canada and VoiceScapes, both of whom with which he has been featured as soloist. Beginning in the 2016-17 concert season, he will again serve as Tenor Section Lead for the Calgary Philharmonic Chorus. He is featured on two recordings with Luminous Voices, including Mendelssohn's Te Deum and the anticipated choral concerti of Ukrainian composer Artem Vedel'. He is also featured on James MacMillan's Seven Last Words from the Cross with the award-winning Spiritus Chamber Choir. 

Oliver earned a Master of Music degree in vocal performance with acclaimed international operatic tenor John Tessier. He also completed a master course in German poetry and performance at the prestigious Franz-Schubert-Institut in Baden-bei-Wien, Austria, where he studied with Elly Ameling, Robert Holl, Birgid Steinberger, Andreas Schmidt, Helmut Deutsch, Julius Drake, Roger Vignoles, and Wolfram Rieger. This season, Oliver will have his professional debut with the Alberta Baroque Ensemble (Edmonton) in the Bach cantata Nun komm, der Heiden Heiland. He will also be featured in celebrations to commemorate the 500th anniversary of the Reformation, singing cantatas with Robertson-Wesley United Church (Edmonton) and Concordia University of Edmonton, respectively, and will sing the role of Abel in the Albertan premiere of the oratorio Caïn by Canadian composer Alexis Contant.

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While attending university, Caleb Nelson joined the renowned University of Alberta Madrigal Singers while also playing trumpet in jazz bands at both the U of A and MacEwen University. Upon meeting many other musicians who shared his passion for voice, Caleb developed a vision to bring choral music into the mainstream through a cappella arrangements.

Caleb, a founding member of Luminous Voices, currently works as a recording engineer with Wolf Willow Studios, and as both an engineer and voice teacher at his own Silver Studios in Edmonton. A longtime member of the professional chamber choir Pro Coro Canada, Caleb enjoys a wide variety of singing styles, from classical to jazz, rock to pop.

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Tenor Rod Olson, one of the founding members of Luminous Voices, has had an extensive and varied career as a choral singer, including involvement with the Augustana Choir, Pro Coro Canada, the National Youth Choir, Vancouver Cantata Singers, and both VoiceScapes and the award-winning Spiritus Chamber Choir. He has performed and recorded with Edmonton-based male ensembles eco and Voce. Rod enjoys gathering communities around the reflective music of Taizé, and is owner of Leaf & Lyre Urban Farms – Calgary’s first Small Plot INtensive (or SPIN) Farm – which utilizes local backyards to grow nutrient-dense food. Rod puts love into everything he does, whether it is the soil or the music you will enjoy with Luminous Voices.



Born and raised in Magrath, Alberta, tenor Jason Ragan completed a Master of Music degree at the University of Western Ontario under the tutleage of Theodore Baerg. He also graduated from the University of Lethbridge where he studied voice with Blaine Hendsbee. As a member of Calgary Opera's Emerging Artists Program, Jason performed the roles of Blind in Die Fledermaus, both First Priest and Armed Man in Die Zauberflöte, and Graf Albert in the Canadian premiere of Korngold's Die Tote Stadt. Previous roles include Gonzalve in L'heure espagnole, Ramiro in La Cenerentola, and male chorus in The Rape of Lucretiawith UWOpera.