Motown Records was a huge inspiration for The Beatles in their early days, but the influence ran both ways, as the best Motown Beatles covers reveal.
From The Supremes to Martha & The Vandellas and beyond, the best Motown girl groups defined a strain of soul music that keeps us dancing in the street.
Knight joins this year's other headline acts Lauryn Hill, Tears For Fears and Kylie Minogue.
“I am proud to use my voice to unite and represent our country in my hometown of Atlanta".
The stirring ballad became the group's second Motown, and third overall, R&B No. 1.
The Whitfield-Strong song matched a typically socially aware lyric with a busy, funky, brass-fuelled beat.
UMC have announced the physical 4CD release of Motown Unreleased 1966 which includes cassic tracks and songs from the label's vault