2Fifty years later, as they prepare for their gigantic farewell world tour throughout 2018, they remain one of the biggest bands of all time - a position they have held since 1977 when, with the help of John's wife, Christine McVie, and two virtually unknown American musicians called Stevie Nicks and Lindsey Buckingham, they released an LP titled Rumours that went on to become the world's best-selling album. That, in itself, is a remarkable story. Now consider the highs and lows, the successes and failures, the personal turmoil, tragedy and heartbreak through which this band has journeyed over the last 50 years ... and the story of Fleetwood Mac becomes one of pure drama. The greatest ever rock 'n' roll soap opera