3.25 Hong Kong Charity Concert Announcement 2015/3/21   3.25 Charity Concert Announcement In association with the Sheenhok Foundation, the Mark Obama Ndesandjo Foundation announced a Charity Concert for March 25, 2015, at the Hong Kong Culture Center. This prestigious 2,500 seat venue will feature Mark playing classical piano and his own compositions,  with notable Asian artists. Profits from the concert will go towards operations for children with ambylopia vision sickness, and to art and culture education. At the Press conference, Mark performed a few pieces.