The oblique (objective) form you functioned previously in the roles of both accusative and dative, as well as all instances after a preposition.
Chris Martin is lead singer, rhythm guitarist and pianist for the alternative band Coldplay. The group has won multiple Grammy Awards over the years, one being for their debut album.
Chris Martin joined on stage by children Apple and Moses as Coldplay perform Viola Beach track during Glastonbury set... with proud Gwyneth Paltrow in the audience. Coldplay performed a Viola Beach track at Glastonbury on Sunday evening.