single of 2009.Metro Station's debut song "Shake It" climbed to number six and La Roux's song "In for the Kill" climbed up into the top ten after a fortnight at number eleven, reaching number seven. The next week La Roux climbed higher to number four, Calvin Harris knocked Lady Gaga off the top with "I'm Not Alone" and Ciara's new single, "Love Sex Magic" with Justin Timberlake entered at number six. On 19 April, Calvin Harris stayed at number one for a second week with "I'm Not Alone". La Roux climbed 2 places to number two, knocking Lady Gaga to number three, and Pussycat Dolls to number four. Eminem gained the highest new entry with "We Made You". On 26 April the aptly titled "Number 1" by Tinchy Stryder and N-Dubz went straight in at number one. Curiously, despite 23 releases since chart records began, no other single has ever reached number one, referencing its chart position in the title. They saw off competition from La Roux, who was a non-mover at 2 whilst Calvin Harris dropped two places to number 3. Climbers included Eminem who rose three places to 5 and Lily Allen rose one place to 9. Lady Gaga however dropped one place to number 4 and Ciara Feat. Justin Timberlake also slightly dropped. On the first albums chart of the month, Lady Gaga finally climbed to number one with The Fame, knocking off Ronan Keating with Songs for My Mother and Flo Rida's second album R.O.O.T.S. debuted at number five, becoming his highest charting album to date. The next week Lady Gaga kept number one with new albums from Doves at number two and Bat for Lashes with Two Suns at number five. On 26 April, Lady Gaga kept her reign over the albums chart keeping her album "The Fame" at the summit for a month despite heavy competition from Depeche Mode. May On the first chart of May, the top two remained static, whilst at three, pushing Lady Gaga and Calvin Harris down one each, was Ironik and Chipmunk's remix of Elton John's "Tiny Dancer". Girls Aloud only managed to climb to number eleven, therefore breaking their run of consecutive top tens with "Untouchable". The next week Tinchy Stryder and N-Dubz got knocked down to number two as The Black Eyed Peas' comeback single "Boom Boom Pow" debuted at the top on downloads alone. Lily Allen