18 of Enya’s songs from a career of more than 20 years. Enya, Nicky Ryan, and Roma Ryan chose the songs to be included in this collection. Among the selections are "Orinoco Flow", "Caribbean Blue", and "Book of Days", "Cursum Perficio", "Boadicea", "Trains and Winter Rains", "Anywhere Is", "May It Be", a previously unreleased version of "Aniron (I Desire)".