: High-quality versions (including MP3 or AAC formats) are available for purchase through the iTunes Store or Amazon Music.
If you are looking for this track, it is widely available on major digital platforms: YUI - Good bye Days MP3
The song is a staple of 2000s J-Pop, characterized by its acoustic guitar arrangement and emotive lyrics reflecting the themes of the movie. : High-quality versions (including MP3 or AAC formats)
by the Japanese artist YUI is most famously known as the theme song for the 2006 film Taiyou no Uta (A Song to the Sun), in which she also starred as the lead character, Kaoru Amane. YUI - Good bye Days MP3
: The official music video is hosted on YUI's Official YouTube Channel .