"99 Years" is a love song about a couple who have been together for almost a century, celebrating their long-lasting relationship and reflecting on the ups and downs of their life together. The song talks about the couple's strong bond and their ability to overcome all the challenges that life has thrown at them. The lyrics describe their love as something that gets stronger with every fight and every obstacle, and how they never stop hoping for a bright future together. The couple promises each other that they will always be there for each other, no matter what the future holds. The song is filled with hope and positivity, encouraging the listeners to cherish their relationships and look forward to a long and happy life together. Josh Groban and Jennifer Nettles deliver a beautiful performance that perfectly captures the emotion and sentiment of the lyrics. "99 Years" is a touching tribute to long-lasting love and the power of commitment and dedication.