With some basic guitar chords (C ... major 7s with basic major and minor chords. Look at the tab and you’ll see that Cmaj7 and Fmaj7 resemble those C and F shapes you probably already know.

There’s absolutely nothing wrong with a good ‘straight up’ major or minor chord, particularly on acoustic guitar ... Some of ...

All the chords built on other notes in the scale of C are minor, except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord.