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

California Girls

Katy Perry Pop

"California Girls" by Katy Perry is a pop song with a bright and upbeat tone. Released in 2010, it tells the story of a group of girls from California and their lifestyle. Katy Perry is the artist and co-writer of the song, along with Bonnie McKee, Dr. Luke, and Max Martin. The song became a huge success and reached the top of the charts worldwide. An interesting fact about the song is that it features rapper Snoop Dogg, adding a unique flavor to the track. The melody of "California Girls" is catchy and energetic, with a blend of pop and hip-hop elements.