First things first: The incarnation of Fleetwood Mac that will play at the Scottrade Center this week isn't the real Fleetwood Mac. Singer and keyboardist Christine McVie went her own way a few years ago — and took many of the band's best songs and biggest hits with her in the process. The remaining four members have soldiered on without the pretense of a new album to promote. Stevie Nicks and Lindsey Buckingham will reprise their jilted ex-lovers shtick while Mick Fleetwood over-drums and bassist John McVie stays out of the way. However, the band's dinosaur status and this tour's cash-in ploy doesn't obscure the facts: "Go Your Own Way" is the best breakup song ever, Buckingham is a guitar dynamo, and, for all her swirling gypsy affectations, Stevie's voice remains a leveling force.