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

Pirate`s cove

Zelda Games
"Pirate's Cove" is not a known song from the Zelda series.

Pirate's cove - The Legend of Zelda Majora's Mask

la1 mi mi mi
re mi fa sol re fa mi
la1 mi mi mi
re mi fa do fa mi
la1 mi mi mi
re mi fa sol re fa mi
la1 mi mi mi
re do re mi do si
la1 mi mi mi
re sol do re mi