major difference from the original book, with a bigger mouth to allow for wider facial expressions like those of Jim Carrey, as the directors noticed Horton's design in the book varied according to his emotion, the 3D wireframe tried to allow for the same effects. Soundtrack The original score for the film's soundtrack album was composed by John Powell. A soundtrack consisting of the film's score was released on March 25, 2008 by Varèse Sarabande. Near the end of the picture, the cast comes together and sings the song "Can't Fight This Feeling" by REO Speedwagon. Others songs featured in the film are: Reception Critical reception On Rotten Tomatoes of reviews were positive, with an average rating of . The site's consensus reads, "Horton Hears A Who! is both whimsical and heartwarming, and is the rare Dr. Seuss adaptation that stays true to the spirit of the source material." On Metacritic, the film has a weighted average score of 71 out of 100 based on 31 reviews, indicating "generally favorable reviews". Audiences polled by CinemaScore gave the film version an "A−" grade on an "A+" to "F" scale. Kirk Honeycutt of The Hollywood Reporter called it "a delight, brimming with colorful, elastic characters and bountiful wit." John Anderson of Variety wrote: "The real stars of the movie are the animators, who imbue even the overgrowth in Horton's jungle with a certain floppy Seuss-ishness." Box office Horton Hears a Who! grossed a total of $299.5 million on an $85 million budget. $154.5 million came from the United States and Canada, and $145 million from other territories. In its opening weekend, the film grossed $45 million in 3,954 theaters, averaging $11,384 per theater in the United States and Canada, and ranking #1 at the box office. The film also had the strongest opening for a film starring Jim Carrey since Bruce Almighty, with the same applying to his costar in both films, Steve Carell. The film previously had the fourth-largest opening weekend in March, behind Ice Age, Ice Age: The Meltdown and 300, and as of September 2012, it ranks on the 15th place. In the United States and Canada, Horton Hears a Who! was also the #1 film its second weekend of release, grossing $25 million over the Easter frame, in 3,961 theaters and averaging $6,208 per venue. It dropped to #2 in its third weekend grossing $17.8 million in 3,826