Collegium Cornix

Copenhagen Collegium Musicum

Vincent(US)

Cult of Luna

Konvic

Cornelius Claudio Kreusch

The Constructus Corperation

Cantus Cölln

Música Para Estudar, Chillout Lounge Piano, Música Relajante Piano Master

Professor Elemental

Copenhagen Collegium Musicum

Cognition

Science Fiction Quartet

CORVIUS

Collegium Aureum

Collegium Musicum

John Colleoni

Concentration Music Ensemble, Soulful Piano Group, Study Power

John Colleoni

Collegium Pro Musica

Conntex

The Constructus Corporation

Schola Gregoriana Pragensis

John Colleoni

Collegium Musicum

New Classix

Collegium Aureum

Capella Gregoriana

Professor Knox

Mozart Lullabies Baby Lullaby, Easy Listening Piano, Musica De Piano Escuela

CunCute

Relaxar Piano Musicas Coleção, Chilled Jazz Masters, Exam Study Classical Music Orchestra

Kolonie

Corvus Corax

Professor

Claus Cube

Orkiestra Państwowej Szkoły Muzycznej II st. nr 3 w Warszawie im. Grażyny Bacewicz, Chór Chłopięco-Męski Gregorianum, Chór Kameralny Collegium Musicum Uniwersytetu Warszawskiego, Andrzej Borzym, Leszek Kubiak, Iwona Januszkiewicz-Rębowska, Berenika Jozajtis, Marek Wroński, Tomasz Kania, Urszula Janik, Barbara Skoczyńska, Krzysztof Jedlewski, Urszul

Collegium Aureum

Copenhagen Collegium Musicum

Olympus Lenticular

Cult