In the year that Celtic Connections celebrates its twentieth anniversary, this programme looks at the history of the festival and tells how the event has grown to be one of the most important music festivals in the country. Just before the start of Celtic Connections 2013, the show features some fantastic musical highlights from previous years as well as the history of this popular annual event. Re-live memorable performances from Tom Jones, Capercaillie, the Transatlantic Sessions and many more as every January, Glasgow comes alive to the sounds of Celtic and roots music from all over the world. Hear the story so far from, amongst others, Aly Bain, Karine Polwart and Eddi Reader.