Dublin Youth Orchestra
(Ireland)

Lisbon Youth Camerata
(Portugal)

St Bonaventure’s College
Wind Ensemble and Choirs
(Canada)

Orquestra de Sopros e Percussão
do Conservatório Regional de Artes do Montijo
(Portugal)

Orquestra Sinfónica Artavinhos
(Portugal)

Valdosta State University
Chamber Singers & Trombone Ensemble
(United States)

Voices in Harmony Peace Choir
(United States)

Ensemble Vocal Pro Musica
(Portugal)

The River City Chorale
(United States)

Coro Ciudad de Granada
(Spain)

Coro Manuel de Falla
(Spain)

Coro de Santo Amaro de Oeiras
(Portugal)

West Valley College Symphonic Band
(United States)

Quinteto de Metais 100 Caminhos
(Portugal)

Orquestra de Sopros
do Conservatório Regional de Palmela
(Portugal)

Carolina Master Chorale
(United States)

Banda de Música Juvenil
de la Cruz Roja de Sevilla
(Spain)

Coro da Sociedade Artística Musical de Pousos
(Portugal)

Joven Orquesta Sinfónica de Jaén
(Spain)

The Celebration Singers
(United States)

Orquesta de Cámara de Sevilla
(Spain)

Chorale Casa Sawt
(Morocco)