熱き[b]心[/b]に/大瀧詠一 – 作曲　大瀧詠一　　編曲　上里良仁

Composed by Eiichi Ohtaki and arranged by Ryohin Uesato, 'Atsuki Kokoro ni' is a piece with a difficulty level of 0, making it ideal for beginners. This sheet music provides the full notation for performers.