Marja has 4 B-Brave concerts.

B-Brave is a five-member boy band formed in 2013 in the fifth season of X Factor in the Netherlands. The group consists of Kaj van der Voort (July 5, 1996, was 16 years old during the show), Cassius Verbond (July 11, 1997, was 15 during the show), Jai Wowor (November 16, 1997, was 15 during the show), Sam Leijten (February 17, 1996, was 17 during the show) and Dioni Gomez-Jurado (October 30, 1997, was 15 during the show).