Wolfgang’s Vault, an online collection of rock memorabilia and recordings from the archives of Bill Graham Presents, has made a significant investment in Daytrotter.com, an independent site that hosts unique recording sessions from bands around the world. While the monetary details of the deal were not released, Daytrotter’s founder, Sean Moeller, will retain all his current responsibilities and the partnership is planned to only increase exposure. [CMJ.com – Rachael Darmanin]