What You Don't Know (Monrose song)

"What You Don't Know"
Single by Monrose
from the album Strictly Physical
Released	7 December 2007
Studio	Weryton Studios (Munich)
Length	3:45
Label	Starwatch
Songwriter(s)	Mattias Lindblom Billy Mann Anders Wollbeck
Producer(s)	Christian Ballard Tim Hawes Pete Kirtley Obi Mhondera Andrew Murray
Monrose singles chronology
"Strictly Physical" (2007) "What You Don't Know" (2007) "We Love" (2008)

"What You Don't Know" is a song by all-female German pop band Monrose. It was written by American songwriter Billy Mann along with Swedish musicians Mattias Lindblom and Anders Wollbeck and recorded for the band's second studio album, Strictly Physical (2007). Production on the track was helmed by Christian Ballard, Tim Hawes, Pete Kirtley, Obi Mhondera, and Andrew Murray from British production teams Jiant and Snowflake. A guitar-led pop ballad was released as

The song earned largely positive reviews from music critics who ranked it among Strictly Physical's standout tracks. "What You Don't Know" was released by Starwatch as the album's third and final single on 7 December 2007. It became the band's fifth consecutive top ten hit, reaching number six on the German Singles Chart, and entered the top 20 in Austria. An accompanying music video, directed by Markus Gerwinat, was filmed in Hamburg and released in November 2007.