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

Here's a health to the company

Sean Dagher Games

Here's a health to the company - Shean Dagher

LA SOL LA re mi re do la
Kind friends and companions
la si do sol mi do re
come join me in rhyme
do re re# SOL LA RE DO LA
Come lift up your voices
SOL LA re# SOL do
in chorus with mine