Javier has worked for over ten years in parish ministries in the United States. He was appointed by Rev. bishop Niederauer to be part of the Liturgical committee of the Diocese of Salt Lake City in 1996-97. He developed the music and liturgy program at Corpus Christi Church in South River, NJ. In 2001-2002 he organized and conducted a collaborative performance of “Colors of Grace”, Lessons for Lent with the Corpus Christi Church Choir and Eldersgate Episcopal Church Choir and other choir members of central New Jersey. He conducted workshops in the area of cantor training and history, choir development, children choir development and development of music programs. As an organist he has given Organ recitals in Cathedrals such as Cathedral of Rosario and Buenos Aires National Cathedral, Argentina among other Churches and Parishes. As a conductor he created the York Chamber Orchestra based at St. Margaret of York. Mr. Clavere and his wife Lindsay Clavere began playing as a piano team in 1996. In honor of their wedding, composer Seymour Bernstein wrote "Rhapsody on Two Names - Javier and Lindsay," and the Argentinean composer Duilio Grasso wrote "Candombe for two Pianos." Both pieces were Premiered at their Piano duo debut in the Assembly Hall in Salt Lake City in 1997. They have performed as duo pianists across North and South America. Their repertoire includes a wide range of music from Latin American, to modern American music such as Copland, Gershwin, etc… They had performed the complete works for piano 4-hands and two pianos for hands by Mozart, Ravel, Rachmaninoff, Debussy, Schubert among others.