G dominant seventh chord
G7 chord for piano with keyboard diagram.
Explanation: The G dominant seventh is a four note chord. You can see the four notes of the G seventh chord marked in red color. The chord is often abbreviated as G7.
Theory: The G seventh chord is constructed with a root, a major third, a perfect fifth and a minor seventh.
Fingerings: little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).
Notes: G - B - D - F
G7 - inversions
Explanation: The images below show the three inversions of the G dominant seventh chord. G7/B is a G dominant seventh with B as the bass note, G7/D is a G dominant seventh with D as the bass note and G7/F is a G dominant seventh with F as the bass note. Note that the fifth sometimes are omitted.