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

Animals

Maroon 5 Pop

"Animals" by Maroon 5 is a song that is written and performed in the key of G minor. It was released as the second single from their fifth studio album "V" in 2014. The song was composed by members of the band Maroon 5, namely Adam Levine, Benny Blanco, and Shellback. As for trivia, it peaked at number three on the Billboard Hot 100 chart and received platinum certifications in multiple countries. The melody of "Animals" features a catchy and energetic chorus with elements of pop rock and synth-pop genres.