The song "Start All Over Again" by Van Morrison (2017 version) is about the idea of starting fresh and embracing new beginnings. In the song, Morrison reflects on the challenges and seasons of life, from winter to summer to fall, and emphasizes the importance of giving oneself the time and space to reset and refocus. He encourages the listener to take control of their own destiny and to pursue new horizons. The upbeat and optimistic tone of the song conveys a sense of hope and determination for the future. Overall, "Start All Over Again" is a reminder to not be afraid of change and to embrace the opportunity for a fresh start.