tonic triad - "Auld Lang Syne"

A tonic triad is a chord built on the tonic.  The notes in the tonic triad in a major key are do, mi and so.  In today's lesson you will sight sing "Auld Lang Syne" which has the tonic triad outlined in the melody.  It is notated in the key of F major.  In this key the note names for the tonic triad are are F, A and C.