Whitney Houston stormed the charts in 1992 with her cover of Dolly Parton's I Will Always Love You.

Originally written and recorded 1973 it hit number 1 in the charts twice for Dolly before Whitney made it her own.

When Whitney released it in 1992 the single spent 14 weeks at #1 in US and eight weeks at the top of the charts in Ireland.

It remains top selling single of all time by a female artist.

Presenter Dee Reddy joined Mario on Mario's Sunday Roast to give us the full Story Behind The Song.

Catch up by pressing the Listen button on this page.