Nigeria, July 29 -- Nigerian pop star Oyinkansola Sarah Aderibigbe, famously known as Ayra Starr, appears to have dusted off the rumours about the stringent conditions allegedly tied to her signing to Roc Nation, a music label, entertainment, and sports services company founded by iconic American rapper and mogul Jay-Z.

Unfazed by the rumours, Ayra put up a superlative display on Sunday at the ongoing Coldplay tour, energising the crowd as she taught the band's guitarist the lyrics to the song.

Coldplay is a British rock band with vocalist and pianist Chris Martin, guitarist Jonny Buckland, bassist Guy Berryman, drummer and percussionist Will Champion, and manager Phil Harvey.

Founded in 1997, the 'Music of the Spheres' tour will trave...