NoteSmart, Guitar Chord Library

NoteSmart Chords

NoteSmart computer generated chords are based on the following assumptions:

- You need at least three notes to make a chord.

- Many different chords share the same name. For example, an Am7 and a C6 share the same notes (different inversions).

- For most chords, the 5th interval can be optional. Both versions will be displayed in the menu.

- For most chords, the 3rd interval is needed.

- A plus sign "+" is used to indicate a pitch raised 1/2 step and a minus sign "-" indicates a lowered 1/2 step. For example a C-5 chord is constructed of a 1,3, and lowered 5th.

- A chord with a raised 5th is displayed as "aug".

- A complete 9th chord requires 1,3,5,-7,and 9.

- A complete 11th chord requires 1,3,5,-7,9, and 11.

- A complete 13th chord requires 1,3,5,-7,9,11, and 13. On a six string guitar this can't be played without making the 5th optional.

- 9th, 11th, and 13th chords that do not contain all needed tones are displayed in parentheses.


   A "C" chord with 1,3,5,9 (without the dominant 7th) is displayed as C(9). This can be called a C chord with an added 9th.

Example #2:

   A "C" chord with 1,3,5,-7,9,13 (without the 11th) is displayed as C9(13). This can be called a C9th chord with an added 13th.

Example #3:

   A "C" chord with 1,3,5,9,11,13 (without the dominant 7th) is displayed as C(9,11,13). This can be called a C chord with an added 9th, 11th, and 13th.


- For ease of play, NoteSmart only generates chords that can be played within a four fret range over 16 frets.

- Due to the spacing of the notes, some chords can only be played finger style.

- Some chord lists have additional sections listed below the main list. When there are multiple sections, the first group is usually the full chord, the second group excludes the 5th interval, and the third group excludes the 3rd interval. Just keep scrolling to see what's available.