FRI. BRIEF: Sonos Files $100M IPO • Nielsen Mid-Year Charts • Cardi B Countersues Manager • More Posted by July 6, 2018July 6, 2018 Leave a comment on FRI. BRIEF: Sonos Files $100M IPO • Nielsen Mid-Year Charts • Cardi B Countersues Manager • More FRIDAY 7.6.18 Music Business News From Around The Web Updated continuously under the More News tab