Focus II (re-released as Moving Waves) is the second studio album from the Dutch rock band Focus. The album includes the hit "Hocus Pocus" and "Eruption", a 23-minute adaptation of Jacopo Peri's opera Euridice which tells the story of Orpheus and Euridice. Focus II was released in October 1971 to positive critical reception. It went on to reach the top ten in the UK, US and the Netherlands.