Because of this song, I bought the 2nd album of Monrose. Something romantic and sad I have seldom heard. Could the melody, the lyrics and the voices of the girls are just gorgeous and harmonize perfectly with the miteinander.Man 3 girls get the impression that the other "indicates tone" in each new song. In "Hot Summer" it was Senna, with "Physical Strctly" Bahar and "What You Don`t Know" it is precisely Mandy. Her voice comes in this song wonderfully effective you can hear the pain that is described in the song. There was rarely such a beautiful ballad of a girl group. Also the bonus track "Say Yes" can be heard. It is very heavy and time RnB Bahar allowed her to prove. I think the "What You Do not Know" to the other successes build, you might even surpass, will ...