Since the late 1990s, he and his brother Rasmus have written and produced songs for both Danish and foreign artists through their production company Top Notch Music and has worked with local artists like Jokeren, Natasja, B-Boys, Infernal as well as international artists David Bisbal (Spain) and Big Brovas (UK).
His brother Nicolai Seebach is also a well-known musician, songwriter and producer who co-writes most of Rasmus' materials.
Seebach was married for many years to Karen Seebach; they had three children, Nicolai Seebach, Rasmus Seebach and Marie.
Nicolai Ghiaurov | Nicolai Gedda | Seebach | Rasmus Seebach | Peter Nicolai Arbo | Otto Nicolai | Nicolai Dunger | Seebach (Zurich) | Seebach, Thuringia | Philipp Nicolai | Nicolai Seebach | William S. Nicolai | Tommy Seebach | Rasmus Seebach (album) | Nicolaï van Gilse van der Pals | Nicolai Hartmann | Nicolai Fuglsig | Nicolai Frahm | Nicolai Fechin | Johan Nicolai Madvig | Harald Nicolai Storm Wergeland | Ferdinand Nicolai Roll | ''Death of Erling Skjalgsson''
Illustration by Peter Nicolai Arbo | Bruno Nicolai |