Photo: Chris Strong
Wallace speaks to civil rights activist and singing legend Mavis Staples, ahead of her concert in Auckland later this month.
To embed this content on your own webpage, cut and paste the following:
<iframe src="https://www.rnz.co.nz/audio/remote-player?id=201838856" width="100%" frameborder="0" height="62px"></iframe>
for easy access to all your favourite programmes