[2] "I Begin to Wonder" received positive reviews from music critics, and is considered by Minogue to be her "signature tune".

[3] Its futuristic music video, directed by Phil Griffin, features Minogue dancing in a room with the song's title swirling around her in numerous languages.

[3] In a review for Musicomh.com, Alexis Kirke described it a "simple but energetic" song with a "striding electro-bass line and some heavy vocal effects".

[6] MSN Entertainment called the track a "decent slice of sparkly radio pop with big synths and 'sexy' vocals".

[1] The video opens with a scene of Minogue walking down a futuristic hallway covered in photographs used to promote Neon Nights.

She is then shown sitting and dancing in a blue room with the song's title swirling around her in numerous languages.

It was also included on The Hits & Beyond special edition companion DVD (2006) and Dannii Minogue: The Video Collection (2007).