Mushroom Group, the Australian independent music powerhouse, has ended its decades-long association with The Harbour Agency. The split, confirmed in a statement from Melbourne-based Mushroom Group, was triggered by an investigation into claims from former Harbour Agency staff on past management behavior and workplace culture. “Mushroom Group can confirm that The Harbour Agency is no longer part of the Mushroom Group of Companies,” reads the message, seen by Billboard. Explore See latest videos, charts and news See latest videos, charts and news “For many years now Harbour has operated independently of the Mushroom Group,” the statement continues. “Unlike all other Mushroom Group companies it has not shared HR, legal, finance or other group corporate services.” Mushroom has distanced itself...