Question: What was the name of the keyboardist and songwriter who formed the electronic music group whose fifth studio album was Invaders Must Die?

Related documents: [0]  [DOC] The Prodigy are an English electronic music group from Braintree, Essex, formed in 1990 by keyboardist and songwriter Liam Howlett. The first line-up of the band also included Maxim (MC and vocalist), Keith Flint (dancer and vocalist), Leeroy Thornhill (dancer and live keyboardist), and female dancer and vocalist Sharky. Along with The Chemical Brothers, Fatboy Slim, and other acts, The Prodigy have been credited as pioneers of the big beat genre, which achieved mainstream popularity in the 1990s. Their style ranges from rave, hardcore techno, electro-industrial, jungle and breakbeat and big beat, adding punk vocal elements in later works. [END] 
[1]  [DOC] Invaders Must Die is the fifth studio album by English electronic dance music group The Prodigy. The album was released on 23 February 2009 on the band's new record label Take Me to the Hospital, and was distributed by Cooking Vinyl. [END]  
Answer: Liam Howlett
Liam Howlett