MTV News has more details behind Britney Spears’ upcoming DVD that’ll include pre-tour concert footage as well as two bonus tracks (‘Don’t Hang Up’ and ‘The Answer’). The bulk of the DVD concentrates on the live performances that last year helped tease Spears’ then-upcoming album. Some of those shows were short – such as her two-song set for MTV’s Spankin’ New Music week and the half-hour surprise appearance at club Rain in Las Vegas. But her also-included hour-long ABC concert special, ‘Britney Spears: In the Zone,’ offers somewhat of a preview of her upcoming tour. Read more.