There is more than one artist with this name:

1) There Will Be Blood is a blues rock band from Milan, Italy formed in 2010 by Davide Paccioretti (vocals, guitar, harmonica), Riccardo Giacomin (guitar), Mattia Castiglioni (drums). They released "Prologue" (2010), "Wherever You Go" (2011) and "One to Nothing" (2012).
http://www.facebook.com/twbeblood - http://twbblood.blogspot.com

2) There Will Be Blood is a deathcore band from North Carolina, United States.
http://www.myspace.com/twbbnc

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