The hillbilly tunes and rhythms carried across the Atlantic by Ulster-Scots settlers in the 1700s, have their own part to play in the story of rock and roll.

 

In Rock ‘n’ Roll Highway, Thin Lizzy and Black Star Riders frontman, Ricky Warwick, and broadcaster and roots music obsessive, Ralph McLean, embark on a journey from Co Down to California, exploring the massive contribution that this part of the world brought to one of the most popular art forms of the 20th century.