Here in europe, the focus is on 04 earnings in full swing today. And well be getting the inside track on unleashing the beethoven in your babe. Did you know theres a simpler way to teach music to your child . We speak to the inventor of the novel Musical Instrument soundbops. And we want to know what you think about the diesel debate. Are you ditching your diesel . Should the government decide whether to ban the most polluting vehicles . Let us know. Just use the hashtag bbcbizlive. Hello and welcome to business live. Europes car industry is on tenterhooks today, awaiting a German Court Ruling on whether cities are allowed to ban diesel cars. If its approved, other big european cities are likely to follow suit. In fact some have already made moves. The leaders of four major Global Cities pledged to ban all diesel powered cars and trucks by the middle of the next decade. Paris, mexico city, madrid and athens all say theyre doing it to improve air quality. Londons mayor sadiq khan has in