SOUTH LAKE TAHOE, Calif. – The sound of live music echoed through the room as guests sipped smoking espresso martinis and an elaborate ice display lined with oysters, Red King crab legs, and shrimp cocktail stretched across Mastro’s Steakhouse’s newest location. The upscale steakhouse celebrated the opening of the brand’s 25th location nationwide inside Golden Nugget Lake Tahoe Casino with a VIP launch party Wednesday night. Mastro’s Steakhouse…