While The Voice desperately tries to cut back on spending, coach Reba McEntire’s massive salary has been revealed, RadarOnline.com has learned. Insiders dished that the country legend is on the higher end of the show’s talent budget, bringing home around $13 million per season. The singing competition show has seen a series of shake-ups as of late, including bringing on its first-ever coaching duo, Dan + Shay. While sources claimed NBC executives were “tightening spending.” Despite the Voice remains a top producer for the network, sources revealed producers are carefully examining the show’s “…