Do both Piers Haggard and Lasse Hallström work with musicians to produce music videos?
Piers Haggard: Piers Inigo Haggard OBE (born 18 March 1939) is a British theatre, film and television director, although he has worked mostly in the latter. Lasse Hallström:  He first became known for directing almost all music videos by pop group ABBA, and subsequently became a feature film director.
i don't know