Complex sentence: In 2005, with Helloween, Dani recorded Keeper of the Seven Keys-The Legacy and in 2007 Gambling with the Devil and also did a world tour with Helloween, which started in November, 2007 in Budapest and ended in October, 2008 in Guadalajara.
Split into simpler sentences: In 2005, with Helloween, Dani has recorded Keeper of the Seven Keys-The Legacy and in 2007 Gambling with the Devil. Dani is currently on a world tour with Helloween that had started November, 2007 in Budapest and will be ending in October, 2008 in Guadalajara.