How to play this song ?

These are single notes, not chords.
Each note must be played individually.

There are different notations, like, A B C , DO RE MI , Sa Re Ga and numeric notation 1 2 3.
Choose one that fits better for you.

You can distinguish the octave by the color of the note and if it is UPPERCASE (high pitch) or lowercase (low pitch). Enjoy

Im Not The Only One

Sam Smith Pop

"I'm Not The Only One" is a song by British singer Sam Smith. It was released as the fourth single from his debut studio album, "In the Lonely Hour," in 2014. The song is written in the key of D major and was composed by Sam Smith himself along with Jimmy Napes. "I'm Not The Only One" is a poignant and heartfelt ballad that talks about infidelity and the pain caused by it. The melody is characterized by Smith's soulful and emotive vocals, accompanied by subtle piano and string arrangements that perfectly capture the song's emotional intensity.