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 volume Tidal volume Tidal volume (symbol V or TV) is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. In a healthy, young human adult, tidal volume is approximately 500 mL per inspiration or 7 mL/kg of body mass. Tidal volume plays a significant role during mechanical ventilation to ensure adequate ventilation without causing trauma to the lungs. Tidal volume is measured in milliliters and ventilation volumes are estimated based on a patient's ideal body mass. Measurement of tidal volume can be affected (usually overestimated) by leaks in the