This would make a major 7th chord. For a regular 7th chord, we need root, 3rd, 5th and b7 – but to say 'a flat 7' would be too easy to confuse with the chord A b7, a completely different thing.

It’s actually much harder to learn the theory than it is to play the chords - so don’t worry if you don’t understand it just yet. Try this trick to find the dominant 7th of any major chord you’re ...

To make these chords sound richer, you can add another note which is the 7th interval up from the root. With the root, 3rd, 5th and 7th all combined, 7th chords are created.

Although people do perceive major chords as more emotionally positive than minor chords, the happiest sounds of all are seventh chords – major or minor chords with a seventh added. Using a sample of ...