NextVR has just wrapped up a successful live broadcast of the Kentucky Derby, and has also announced an upcoming deal with music events company Live Nation that will see NextVR add gigs to its VR video portal. Last year’s Kentucky Derby was the most-watched TV program in May, averaging some 16 million viewers – some way behind the average turn out for NFL games, which clocked in between 24 and 26 million viewers in 2015, but considerably more than the Thursday night offerings and the London early-morning expo games that averaged around 8.6 million, which is around the same number as Survivor manages. Comcast’s NBC held the rights to the Derby, and the NBC Sports Group looked to NextVR to…