The song "Proost op het leven" by Tino Martin & René Froger is about celebrating life and enjoying every moment. The lyrics talk about waking up without worries, looking towards the future, and counting your blessings. The singers emphasize the importance of happiness, health, and staying grounded. They encourage listeners to raise a glass to life and cherish every moment, as it only comes around once. The song's message is to appreciate the ups and downs of life and to keep a positive outlook, no matter what comes your way. It's a reminder to live life to the fullest and to be grateful for what you have.