These are the open position Major 7th Chords. In music a Major 7th Chord is a chord that has a Root, a Major third, a Perfect fifth and a Major seventh. It can be thought of as a major chord with the addition of a major seventh. Major 7th chords tend to have a happy but dramatic sound. Below is a table of the of the chords above with notes that make them.
|Major Seventh Chord||Root||Major Third||Perfect Fifth||Major Seventh|