TuneCore a "cash-flow" crisis in 2012. Price has sued TuneCore for severance compensation and has alleged that the company may have been insolvent, an accusation that the company appears to dispute. Tunecore was acquired by Denis Ladegaillerie's Believe Digital in April 2015. The acquisition opened up artists' access to Believe Digital’s wider distribution network and label services. Both of the companies remained operationally separate, while jointly claiming to represent of 25 to 30 percent of the new music uploaded to iTunes each day. After the acquisition, TuneCore and Believe used their newly increased leverage in negotiations with digital services including Spotify
Tidal stream generator Stingray uses hydrofoils to create oscillation, which allows it to create hydraulic power. This hydraulic power is then used to power a hydraulic motor, which then turns a generator. Pulse Tidal operate an oscillating hydrofoil device in the Humber Estuary. Having secured funding from the EU, they are developing a commercial scale device to be commissioned 2012. The bioSTREAM tidal power conversion system, uses the biomimicry of swimming species, such as shark, tuna, and mackerel using their highly efficient Thunniform mode propulsion. It is produced by Australian company BioPower Systems. A 2 kW prototype relying on the use of two