06:555 Live Formula 12013Chinese GP 2nd practiceBBC Radio 5 Live Duration: 1 hour, 40 minutes Fri 12th Apr 2013, 06:55 on BBC Radio 5 Sports ExtraCommentary on the second practice session ahead of the Chinese Grand Prix with the 5 live F1 team.GenresSportFormula OneBrand5 Live Formula 1Series5 Live Formula 1: 2013 Source: BBC Online