| Op. 1315 | Ocean of Light (2018) for SATB Chorus and Organ |
| Op. 323 | Oh, Were I Like a Feathered Dove (2001) for Unison Chorus (opt. divisi) and Organ |
| Op. 983 | One Love (2012) for SATB Chorus Unaccompanied |
| Op. 893 | One Thing (2010) for SATB Chorus Unaccompanied |
| Op. 1008 | One Word (2013) 3-part Canon |
| Op. 1354 | Out of Small Beginnings (2020) for SATB Chorus and Organ |
| Op. 528 | Prayer of Julian of Norwich (2003) for SAB Chorus and Organ |
| Op. 1053 | Preces and Responses (“Prescott”) (2014) for SATB Chorus Unaccompanied |
| Op. 597 | Premat Mundus (2004) for SATB Chorus Unaccompanied (with Tenor Solo) |
| Op. 664 | Psalm 66 (Be Joyful in God) (2005) for SATB Chorus and Organ |
| Op. 1146 | Rain Songs (2016) for SATB Chorus and Orchestra |
| Op. 1144 | Roses (2016) for SATB Chorus and Piano |
| Op. 1124 | Ruhiger Lobgesang (2015) for SATB Chorus and Keyboard Instrument |
| Op. 817 | Set Me As a Seal (2009) for SATB Chorus Unaccompanied |
| Op. 644 | Sing, O Sing This Blessed Morn (2005) for SATB Chorus and Organ |
| Op. 550 | Spectrum (2003-04) for Concerto-Cantata for Oboe, Chorus, and Chamber Orchestra |
| Op. 1526 | Such a Silence, Such a Singing (Shepherd Cry) (2023) for SATB Chorus and Organ |
| Op. 923 | Sunrise Alleluia (2011) for SATB Voices and Electronic Tape |
| Op. 839 | Surely It Is God Who Saves Me (2009) for SSATTB (6-part mixed) Chorus Unaccompanied |
| Op. 989 | Sweetest Music Softly Stealing (2012) for SATB Chorus Unaccompanied |
| Op. 759 | Te Deum (2008) for 2-part Chorus and Organ |
| Op. 835 | That They May Rest (2009) for SATB Chorus Unaccompanied |
| Op. 838 | The Acts of the Apostles (2009) for Baritone, SATB Chorus, Congregation/Audience, and Chamber Orchestra |
| Op. 877 | The Appleton Amens (2007-10) for 2-part Non-mixed Voices (SA or TB) and 4-part Voices Unaccompanied |
| Op. 1042 | The Choir Invisible (2013) for SATB Chorus and Piano |
| Op. 1332 | The Door (2019) for SATB Chorus, Oboe, and Piano |
| Op. 227 | The Eternal Dove (2000) for SATB Chorus Unaccompanied |
| Op. 959 | The Evening Choir (2012) for SATB Chorus, SATB Soloists, Organ |
| Op. 1089 | The Guest House (2014) for SATB Chorus and Organ |
| Op. 686 | The Kingdom of Justice (2006) for Cantata for SATB Chorus, Soprano and Baritone Soloists, Trumpet, and Organ |
| Op. 489 | The Lamp of Charity (2003) for SATB Chorus Unaccompanied (divisi) |
| Op. 737 | The Litany of Light (2007) for SATB Chorus, Baritone and Soprano Soloists, Brass Quintet, Timpani, and Organ |
| Op. 843 | The Name Above All Names (2009) for SATB Chorus and Organ |
| Op. 777 | The Oda-Burns Mass (2008) for SATB Chorus, Violin, Percussion, Organ |
| Op. 1316 | The Remembering Earth (2018) for SATB Chorus and Organ |
| Op. 800 | The Revelations of Divine Love (Metaphors from Sea and Sky) (2009) for Soprano, Baritone, SATB Chorus, and Chamber Orchestra |
| Op. 880 | The Rose Tree Carol (2010) for SATB Chorus Unaccompanied |
| Op. 1295 | The True Glory (2018) for SATB Chorus and Organ |
| Op. 381 | The Way, the Truth, the Life (2002) for SATB Chorus and Organ |
| Op. 821 | The Welcome News (2009) for SATB Chorus Unaccompanied |
| Op. 939 | There Will Be Stars (2011) for SATB Chorus, Percussion Quartet, Piano |
| Op. 1491 | They Remain (2022) for SATB Chorus Unaccompanied |
| Op. 298 | Three Acclamations for Worship (2001) for Unison Voices (Congregation or Chorus) and Keyboard |
| Op. 180 | Three Passiontide Motets (1999, rev. 2001) for SATB Chorus Unaccompanied |
| Op. 988 | Three Psalm Monodies (2012) for Vocal/Choral Monody |
| Op. 212 | Tide of Angels (2000) for SATB Chorus and Organ |
| Op. 1116 | Treasury of Blessings (2015) for SATB Chorus, Hand Drum, and Cello |
| Op. 884 | Truly the Light Is Sweet (2010) for SATB Chorus and Organ |
| Op. 940 | Veni Sancte Spiritus (2011) for SATTB Chorus Unaccompanied |
| Op. 1167 | Verbum supernum prodiens (2016) for Voices (in three spatially-separated groups) and Organ |
