The film featured an original song, a rendition of the nursery rhyme "London Bridge Is Falling Down" performed by Jordy Benattar, that was not included in the soundtrack.

[1][2] David Edelstein of New York magazine had opined "James Horner–channeling–John Williams score with a few chromatic chords to keep the orchestra from laughing the composer off the podium.

"[2] Jonathan Broxton wrote "you can’t tell many fantasy scores apart… as nice as things like Stardust (2007) and Bridge to Terabithia (2007) are, they simply don’t feel very distinct.

"[5] Philip French of The Guardian, David Wiegand of San Francisco Chronicle's SFGATE and CNN's Tom Charity called the score as "thunderous",[6] "sparkling"[7] and "warm".

[8] James Southall of Movie Wave wrote "The Spiderwick Chronicles feels a little unfocused, very atypical of this composer, but once it hits its stride away half way through the lengthy album it never looks back.

"[10] Katherine Fullton of Allmusic wrote "Despite its resemblance to some of Williams' more whimsical works, the score ends up feeling restrained and unable to keep up with the adventurous plot it's meant to accompany.