Do both Piers Haggard and Lasse Hallström work with musicians to produce music videos?
Lasse Hallström: Lars Sven "Lasse" Hallström (] ; born 2 June 1946) is a Swedish film director. 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