What makes a truly great comeback song, and how does an artist return after years away, declining commercial fortunes or a dramatic change in the musical landscape?

In the Tracks On Trial Season 2 finale, Sam, Andy and AJ explore some of the greatest vocal-driven comeback songs in music history, putting the songwriting, vocal performances, production and cultural impact behind several extraordinary career revivals on trial.

From Cher's "Believe" and its enormous influence on modern pop production to ABBA's return after four decades, Heart's powerhouse "Alone", Meat Loaf's remarkable career resurrection, and Duran Duran's reinvention with "Ordinary World", this episode asks what an artist actually need ...