This is a new album from an artist named futarinote who has been featured in a music magazine in Japan and is popular among the audio enthusiasts. Their recording style is unique because they only use vocals and acoustic guitar without any additional overdubs except for background vocals. This simple style creates a transparent sound that is now commonly heard in other music. The album, titled "Kokoro no Oto" is composed of two separate albums named "inside" and "outside." Both albums explore the same theme from different angles. The music features beautiful melodies and vivid lyrics that make some joys in everyday life. And their playing style is precise and delicate, creating a relaxing atmosphere. Nowadays, the trends come and go quickly in the world. The music tends to become more complicated. So, the album will be a new masterpiece. You can definitely feel the beauty of the simplicity.