What is hey now hey now?

"Hey Now Hey Now (Don't Dream It's Over)" is a song written by Neil Finn and originally performed by his band Crowded House. The song was released in 1986 as a single and later appeared on their self-titled debut album. It became one of their most popular and enduring songs, reaching No. 2 on the Billboard Hot 100 chart in the United States and No. 1 in their native New Zealand. The song has been covered by many artists over the years, including Sixpence None The Richer, Miley Cyrus, and Gwen Stefani. It is known for its uplifting lyrics and sing-along chorus, and has become a beloved anthem for many.