Paul Williams, Gustavo Santaolalla team up for original songs in animated 'Book of Life' ... Of I Love You Too Much, "I've spent my entire life writing co-dependent anthems," he says with a laugh.

How ‘Book of Life’ Added a Hispanic Touch to Covers of Mumford & Sons and Radiohead. ... the catchy serenade “I Love You Too Much,” which Manolo sings for Maria, ...