Early Music Ensemble
Vicente Chavarria, Artistic Director


Conductor and composer VICENTE CHAVARRIA is a native of Miami, Florida. He served for four years as Artistic Director of Fra Angelico Chamber Choir and the Sibelius Camerata at the University of Miami, leading performances of Latin American Baroque music, Ramírez's Misa Criolla, Mozart’s Requiem, and the Miami premiere of Monteverdi's L'Orfeo (concert version), among others. He also served as Artistic Director of Amazonia Vocal Ensemble, touring Southwest Florida and Puerto Rico. While at the University of Miami, he conducted the premiere of a short work by James Progris with the UM-Frost Symphony Orchestra and served as cover conductor for the Schumann Chamber Orchestra and the Existential Orchestra. He made his international conducting debut in September 2008 with the Sinfonia Bucharest in Romania, conducting Mozart, Mendelssohn, and Haydn. As a conductor, he has prepared ensembles for Alberto Grau, Scott Seaton, Cristian Grases, and Ruben Valenzuela. He currently serves as Artistic Director of the early music ensemble Flos Campi in Los Angeles (currently in its third season), the newly-formed Baroque ensemble La Monarca, and Director of the Gloria Dei Choir in La Habra, California. He recently premiered works by composers David Asher Brown and Jeffrey Parola with different ensembles in Los Angeles, and prepared a program of 15th-century English carols in a collaborative performance for the Getty Museum.

Mr. Chavarria has composed and arranged music for several artists and ensembles, including the GRAMMY-award winning vocal ensemble Chanticleer (after being declared co-winner of the Chanticleer Composer Competition in 2006), flutist Sir James Galway, soprano Helen Donath, and various ensembles at the University of Miami, the University of Southern California, and Clemson University. The UM-Frost Chorale performed his compositions and arrangements on tour in Ecuador in 2008 and again in Spain in 2011. He has also written incidental music for two short plays by Drew Larimore, which were premiered in New York. His music is published by Santa Barbara Music Publishing, Alliance Music, and Augsburg Fortress.

Mr. Chavarria holds Bachelor’s and Master’s degrees from the University of Miami. He specializes in Latin American Baroque and Spanish Renaissance music, and presented papers on these topics at conferences at the University of California-Santa Barbara and CENIDIM, the Mexican national music research institute in Mexico City. Throughout his Master’s degree in Musicology, as Graduate Teaching Assistant, he taught a freshman course in Introductory Musicology at the University of Miami; he also founded the annual Musicology Student Conference at the Frost School and served as its first Program Committee Chair. He is currently pursuing a Doctor of Musical Arts degree in Early Music Performance at the University of Southern California-Thornton School of Music, studying with Adam Knight Gilbert, Rotem Gilbert, and Jason Yoshida, as well as composition with Morten Lauridsen; he has also studied Choral Music and Spanish Linguistics at USC. He has performed with Bach-Collegium San Diego, LASchola, the USC Baroque Sinfonia, USC Collegium Workshop, USC Chamber Singers, and Compline Scholars, and has guest conducted The Chamber Opera of USC, the San Gabriel Valley Choral Company, and Viols West. He has performed on tours throughout the US, Ecuador, Spain, New Zealand, and Australia. He has performed in masterclasses with Trudy Kane, Andreas Scholl, Rodney Eichenberger, Xavier Díaz-Latorre, and the Hilliard Ensemble. In 2015, he was awarded a postdoctoral Fellowship from the Belgian-American Educational Foundation, and will be conducting research at KU Leuven in Belgium during the 2015-2016 academic year. Memberships include ASCAP and the Youth Advisory Board of Early Music America.


Soprano LILA ATCHISON is a native of the Bay Area and is just finishing up her second semester here at USC. A 'Soph-unior,' Lila spent the first few years of her college career studying music north of San Francisco where she had the privilege to sing in a local honor choir, the 'Chanticleer LAB Choir;' a student ensemble dedicated to performing at professional levels, as well as promoting music education around the Bay Area. Lila went on to manage that choir, and foster successful ensembles of her own. Here at USC, you may hear Lila in up to six ensembles around campus, including Flos Campi.

 Soprano KATELYN ISAACSON is a BA choral music major at the USC Thornton School of Music. Originally from Philadelphia, she has been singing in choirs since she was nine years old, and has taken lessons in voice and composition for a number of years. Katelyn is interested in writing music for video games, as well as issues related to body image. She loves animals, kosher dill pickles, and anything remotely related to French.

Soprano EMILY PETERSON is getting her BM in Vocal Performance from USC. Originally from San Diego, she studies under Cynthia Munzer. Recently, she received first place in The Classical Singer regional competition for undergrad vocalists and was also awarded third place in The American Prize national competition. She participates in several of USC's vocal ensembles and loves a variety of genres including progressive metal, funk, Brazilian jazz, choral, and experimental. After graduation, she hopes to continue singing professionally in the LA area while pursuing graduate studies.

Soprano ANNIKA LINDE is a recent graduate of USC’s Thornton School of Music and Dornsife College of Letters, Arts and Sciences, where she earned her BA in Choral Music, Linguistics, and East Asian Languages and Cultures.  She is currently pursuing a Master of Arts in Teaching degree in Music at Longy School of Music of Bard College in Los Angeles.  While at USC, Annika performed with many ensembles, ranging from jazz to classical to pop, and though she has added performances with Longy ensembles, she still performs with her Trojan colleagues often.  Upon receiving her Master’s degree, Annika plans to teach high school or middle school choir while continuing to sing throughout the Los Angeles area.  She also regularly feeds her passion for travel, and hopes to spend many of her upcoming summers documenting endangered languages on various continents and writing choral music in those languages. 


Alto ANTONA CONDIC YOST is a freshman pursuing a BA in Vocal Arts at USC, with a minor in Folklore and Pop Culture. Raised in the musically enriching culture of Salt Lake City, she started her musical journey in second grade when she enrolled at the Madeleine Choir School. This school gave her not only a love of classical and early music but gave her many opportunities, such as performing with the local symphony and opera, to pursue her passion in singing. She continued her vocal studies throughout high school, studying with Melanie Malinka, singing with the adult portion of the Madeleine Choir and being a guest performer with the Utopia Early Music ensemble. She also attended the Boston University Tanglewood Institute and the Washington National Opera Summer Institute during this time. At USC, Antona currently studies with Shigemi Matsumoto and sings with the USC Chamber Singers and Thornton Opera. She is very excited to have the opportunity to perform with Flos Campi! In addition to her academic and musical interests, Antona enjoys camping, cooking and spending time with her family and friends.


Tenor NATHAN DOUGHERTY is currently pursuing a Master's degree in Early Music Performance at USC where he performs with both the Baroque Sinfonia and Collegium Workshop. He is also currently a member of Flos Campi. Before moving to Los Angeles, he received a degree in Vocal Performance from St. Olaf College in Northfield, Minnesota where he was a member and tenor section leader of the renowned St. Olaf Choir. He was also an active performer in the St. Olaf Lyric Theater Department, with roles including Rinuccio in Gianni Schicchi and Don Curzio in Le nozze di Figaro.

Tenor ARTHUR OMURA is a specialist in historical keyboard instruments. He studied organ repertoire of the Baroque under Charles Rus in San Francisco, modern technique under Dr. Ladd Thomas at the University of Southern California, and harpsichord repertoire under Dr. Lucinda Carver at USC. He has performed at the Boston and Berkeley Early Music festivals and given numerous performances at home in Los Angeles. Omura keeps an active schedule as an organist and harpsichord player. He has worked with MicroFest, wildUp, iPalpiti, and Musica Angelica Baroque Orchestra. Omura can be heard on several recordings, most recently on "Spirits of the Air", a collaboration between countertenor Brian Asawa and mezzo-soprano Diana Tash, out on LML Music.  His interest in instrument making led him to work with harpsichord builder Curtis Berak, whom he has assisted in restoring several instruments, and with organ builder Manuel Rosales. Omura has a Master's Degree from the University of Southern California.

Tenor RYAN TANI is currently a senior at the University of Southern California Thornton School of Music, pursuing his Bachelor of Music degree in Vocal Performance. He currently serves as principal conductor for the USC Concerto Chamber Orchestra. In addition to Flos Campi, he has sung with the USC Chamber Singers under the direction of Dr. Jo-Michael Scheibe, the USC Concert Choir under Cristian Grases, the Choir of St. James-in-the-City under James Buonemani, the Compline Scholars under Gabriel Fanelli, and the Gloria Dei Choir under Vicente Chavarria.

Born and raised in Salt Lake City, Utah, he began his musical journey as a chorister of the Choir of the Cathedral of the Madeleine, where he sang under directors Gregory Glenn and Melanie Malinka. With the Choir of the Cathedral of the Madeleine, he has had the opportunity to sing as a cantor in St. Peter's Basilica in Vatican City, and perform with the Utah Symphony, Utah Opera and Mormon Tabernacle Choir on numerous occasions. Through the choir, he has had the opportunity to perform as a soloist in numerous choral masterworks. Ryan has also worked as an independent composer for student films at USC. He was declared the winner of the ACDA Undegraduate Student Conducting Competition at the 2015 conference in Salt Lake City. He has also taught composition at the Madeleine Choir School.


 Bass CHRIS GRIJALVA is wrapping up his senior year of a Bachelor's degree in trombone performance. His passion is orchestral playing, but while at USC he has also done work in recording studios and jazz bands. He is also in this fifth year of private voice study, and has been involved with USC choirs since his freshman year. Chris enjoys good food, good beer, and good conversation. Next year he'll be moving to Pittsburgh to pursue his Master's degree at Carnegie Mellon University.

  Bass-baritone JOEL NESVADBA (pronounced "nes-VAHD-ba") is a versatile singer who finds his musical passions in both the medieval and the modern. Fully immersed in music since childhood, from his early days as a soloist in the world-renowned Texas Boys Choir to his recent performances with highly praised early music ensembles such as Ciaramella, he is now pursuing his DMA in Early Music at USC’s distinguished Thornton School of Music. He also serves as Graduate Teaching Assistant for the Department of Music Industry.

Joel first studied Early Music with the University of Texas Early Music Ensemble under the direction of Daniel Johnson, which led to his regular performances with the Texas Early Music Project. Joel also regularly staffs at the Amherst Early Music Festival, the largest early music festival in North America.

His flexibility as a singer and musician has led him to many opportunities in the studio as well as the stage. On the modern side of music, Joel has recorded numerous albums as a back-up singer with prominent and up-and-coming rock/pop artists such as And You Will Know Us By The Trail of Dead, and Paul Banks & The Carousels. Currently, he is enjoying singing professionally in the Los Angeles area.

Bass-baritone JONATHAN NESVADBA was trained in music at an early age starting with Suzuki violin lessons and later attending choir school with the GRAMMY Award-winning Texas Boys Choir. Shortly after graduating from the University of Texas-Austin, he found himself in the music industry engineering recording sessions and assisting country music star Larry Gatlin, all while remaining active in Austin's busy choral music scene.

Currently Jonathan works for the Electronic Dance Music pioneer Moby, assisting in his studio, managing his tour schedule and singing in his backing choir.

Countertenor/Baritone DAVID YANG is currently a sophomore at the University of Southern California pursuing a Bachelor of Music in Piano Performance with Antoinette Perry. As an versatile musician, he has also recently begun exploring singing as a countertenor in ensembles, mainly with St. James-in-the-City under James Buonemani.

Born and raised in Los Angeles, David started his musical training with piano lessons at the age of four. He currently sings in St. James-in-the-City, USC Concert Choir under Cristian Grases, USC Early Music Ensemble under Adam Gilbert, and Flos Campi under Vicente Chavarria. David also teaches private piano lessons and is very enthusiastic about giving back through teaching.

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