You can find the single or the album Can't Buy My Love on Amazon Music.
It is widely available for streaming and digital purchase on Apple Music and Spotify in most regions. Good Bye Days MP3 Download
The song is available on regional services like the Gaana App . You can find the single or the album
It remains one of the most covered and recognized acoustic songs in Japan, often cited as a "must-listen" for fans of the singer-songwriter genre. MP3 Download & Streaming Options Good Bye Days MP3 Download
For high-quality digital versions, look for the Taiyo no Uta soundtrack or Yui’s greatest hits collections to ensure you get the best bit-rate available for your MP3 library. Good-Bye Days - Yui - Amazon.com