"Kaleidoscope" is the fourth studio album by Dutch DJ and record producer Tiësto, released on October 6, 2009, through his label Musical Freedom in partnership with PIAS Recordings. This album marks a significant shift in Tiësto's musical direction, moving away from his trance roots toward a more commercial blend of house, dance, and pop music.
The album features an impressive lineup of collaborations with various artists, including Nelly Furtado, Emily Haines of Metric, Tegan and Sara, Jónsi of Sigur Rós, Kele Okereke of Bloc Party, and Calvin Harris.
The lead single from the album, "I Will Be Here," featuring Australian group Sneaky Sound System, was released on July 28, 2009. This track helped set the tone for the album's commercial and accessible sound.
Kaleidoscope received a warm reception, entering the Dutch Albums Chart at number 2. It also debuted at number 20 on the UK Albums Chart and reached number 5 on both the Irish and Mexican Albums Charts.
Overall, Kaleidoscope showcases Tiësto's evolution as an artist and his ability to collaborate with diverse musicians, reflecting the changing landscape of electronic music.