Chord symbols

The table shows an overview of chord names, chord symbols and intervals.

Symbol Example Interval Name
maj, Δ C 1, 3, 5 Major
moll, m, -, mi Amoll, Am, A-, Ami 1, b3, 5 Minor
+, aug C+ 1, 3, #5
Augmented
º, dim Dº, Ddim 1, b3, b5 Diminished
7
G7 1, 3, 5, b7 Dominant seventh
Δ, maj7 CΔ, Cmaj7 1, 3, 5, 7 Major seventh
moll7, m7 Am7 1, b3, 5, b7 Minor seventh
ø, m7-5, m7b5 Cø, Cm7-5, Cm7b5 1, b3, b5, b7 Minor seventh
flat five
º7, dim7 Dº7, Ddim7 1, b3, b5, bb7
bb7=6
Diminished seventh (*)
6 C6 1, 3, 5, 6 Sixth
sus Dsus4 1, 4, 5 Suspended
no C7no5
(**)
1, 3, b7 No
add Cadd9 1, 3, 5, 9 Add
9 C9 1, 3, 5, b7, 9 Ninth, 9th
/ C/G The C chord
with alternate bass
G
Alternate bass

(*) dim usually refers to dim7 although the 7 isn’t specified.
(**) The fifth is removed from the chord.