Nigeria, June 17 -- Days after Njideka Akunyili-Crosby unveiled a portrait of Barack and Michelle Obama for the Obama Presidential Centre, another Nigerian, Grammy-winning singer Tems, has been announced as a performer at the centre's opening ceremony.

The centre is a community and cultural hub established by Mr Obama and his wife and situated on Chicago's South Side. The centre is intended to celebrate leadership, public service and community engagement while preserving the former president's legacy.

Beyond housing exhibits about Mr Obama's life and presidency, the centre features educational spaces, world-class museums, a public library branch, recreational facilities and public gardens. It is also designed as a place where young peop...