Use our acoustic guitar chord charts - from ... are more common than basic major, minor and sus chords. The A7, D7 and E9 ...

You don't need to know many guitar scales ... then strum all six strings. Just as with the C chord, Em is almost identical to a scale, this time the E minor pentatonic scale.

Harmonic minor keys are used when writing chords. There is another version of the minor key known as the melodic minor. This is used when writing a melody. Each key signature has two possible keys.