sentences:  In August that year, Lorde and McDonald made a guest appearance on Jim Mora's "Afternoons" show on Radio New Zealand.There, they performed covers of Pixie Lott's "Mama Do (Uh Oh, Uh Oh)" and Kings of Leon's "Use Somebody".McDonald's father then sent his recordings of the duo covering "Mama Do" and Duffy's "Warwick Avenue" to Universal Music Group (UMG)'s A&R executive Scott Maclachlan.