Lady GaGa and Kanye West are helping to boost the profile of online music service by investing in the new website.
The hitmakers have joined forces with a group of other investors, led by Union Square Ventures, to provide $7.5 million (£4.7 million) in funding for the fledgling social networking site, which allows users to chat to one another and share music, reports trade paper Business Insider. is currently only available in the U.S. and users require an invite from an existing account holder to join the growing community.