Chords - facts 3

1) A major seventh chord can be formed by using the first, third, fifth, and seventh notes of a major scale (1 3 5 7).

2) A minor seventh chord can be formed by using the first, third (flat), fifth, and seventh (flat) notes of a major scale (1 3b 5 7b). You can also form a minor seventh chord by using the first, third, fifth, and seventh notes of a minor scale.