"Just Like You Imagined" is an instrumental by Nine Inch Nails released in 1999 on the album The Fragile. It is notable for featuring Mike Garson on piano, best known for his work with David Bowie and The Smashing Pumpkins. Additional layers of guitars are performed by Danny Lohner and Adrian Belew.
The song's time signature is 5/4.

There is a live version of this song on the DVD version of And All That Could Have Been, with the piano line substituted by a theremin played by Charlie Clouser. There is a video of live rehearsal footage at Nothing Studios in New Orleans from 2000 on the Nine Inch Nails website.

While "Just Like You Imagined" was never released as a single, it has been used in various media; most notably in trailers for the film 300, for which the song became the unofficial theme.

Source: Wikipedia