The album showed funk, soul and R&B influences that were non-existent for the band before; Morello referred to the new sound as "Led Zeppelin meets Earth, Wind & Fire."
Album mal vplyvy soulu, funku a R&B, čo bol pre skupinu predtým nemožné; Morello popísal tento zvuk ako "Led Zeppelin sa zišli s Earth, Wind & Fire."