Gregorian - Only You

http://www.youtube.com/v/nHj1PRKgW_E?autohide=1&version=3&attribution_tag=Ltyt5NiPDf7Z5bldxxuk4w&autoplay=1&showinfo=1&feature=share&autohide=1

Gregorian the sound of silence

http://www.youtube.com/v/kHxPPwNySzw?autohide=1&version=3&showinfo=1&autohide=1&autoplay=1&attribution_tag=jDfe2uFjFB3-ivBlp9qu4g&feature=share

The Power Of Love- The Gregorian Chants

http://www.youtube.com/v/dJdkAwSRpoA?version=3&autohide=1&showinfo=1&autohide=1&feature=share&autoplay=1&attribution_tag=8nTuArCaAQrpPCQnxNdeEQ