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 barrage pressure). When the water level outside of the basin or lagoon changes relative to the water level inside, the turbines are able to produce power. The basic elements of a barrage are caissons, embankments, sluices, turbines, and ship locks. Sluices, turbines, and ship locks are housed in caissons (very large concrete blocks). Embankments seal a basin where it is not sealed by caissons. The sluice gates applicable to tidal power are the flap gate, vertical rising gate, radial gate, and rising sector. Only a few such plants exist. The first was the Rance Tidal Power Station, on the Rance river,