piano chord
Gmaj7
G1B3D5F♯7
Major triad with a major seventh: a half step below the root, an octave up.
What is true of it
Gmaj7 is G, B, D and F♯ — 1, 3, 5 and 7 counted from G.
On an instrument that cannot reach all 4, the 5 goes first, in that order.