The phrase "don't worry, be happy" is being referenced in various contexts, including a possible fundraiser and a guide to happiness in the second half of life. It is also associated with a song by Bobby McFerrin, who is being celebrated on his 76th birthday. The phrase and song are being mentioned in different outlets, with some using it as a title for unrelated content, such as a guide to beaches or a list of cringeworthy songs.