Released in April 2004, Katherine's classical chart-topping debut album Premiere, was a mix of old standards including Ave Maria and The Lord Is My Shepherd, plus a smattering of traditional Welsh songs and new interpretations of classic tunes by Handel, Bach, Erik Satie and others.

[3] Her fourth album, Serenade was released in November 2006 and reached number five in the mainstream charts selling more than 50,000 copies in its first week, a record in the genre.

[4] In October 2008 Jenkins released Sacred Arias, which was her last album with Universal Music.

[5] Jenkins released Believe, in October 2009, the first with Warner Music, featuring guest artists Andrea Bocelli, André Rieu and Chris Botti.

Classical Digital Songs chart: "Time to Say Goodbye" (#3), "The Flower Duet" (#7), "Hallelujah" (#17) and "O Mio Babbino Caro" (#19).