However, his debut album, Fuel for the Fire, released in May 2007 was entirely composed of heavy metal material, Koivunen's signature style. The album was a huge success, debuting at number 1 and remaining there for a huge twelve consecutive weeks. Fuel for the Fire sold over 71,000 copies and received a double platinum certification. Koivunen's second album Becoming came in June 2008 and it too entered the chart at number 1; however it held the spot for only a single week and its success did not come near that of its predecessor, selling 17,000 units. Later in 2008 it was announced that Koivunen had become the new lead singer of Finnish heavy metal group Amoral. His first album with them, Show Your Colors, was released in May 2009 and peaked at number 19, selling 2,000 copies to date. Runner-up Anna Abreu was signed to RCA Records and has gone on to become the highest-selling female Idols contestant to date. Anna Abreu, her self-titled debut album, was released to massive success in August 2007. After peaking in its first week at number 1, the album spent 37 weeks on the chart and is certified double platinum with sales of over 86,000 copies – the highest for any album by an Idols alumni. Abreu's second album Now was released in October 2008 and it too was met with similar success to is predecessor. Its lead single "Vinegar" became one of the year's highest selling singles and spent three weeks at number 1, while the album itself sold 50,000 copies and was certified platinum, becoming the highest selling album of 2008. Abreu's third studio album Just a Pretty Face? was released on 21 October 2009 and peaked at number 2. It was certified gold in its first day of release after selling a massive 23,000 copies on that day alone, giving the album one of the highest first-day sales in Finnish music history. It has since been certified platinum for sales exceeding 30,000 units. Abreu's fourth studio album, Rush was released on 30 March 2011 and debuted at number 1, becoming Abreu's third chart-topping album. The lead single 'Hysteria' was released digitally on 10 January and peaked at number 6. Third-place finisher Kristiina Brask was signed to the Helsinki Music Company label and her debut album Silmät sydämeeni was released in November 2007. It peaked at number 9, has sold over 18,000