The F Sharp Major Triad: A Complete Music Theory Guide

By Jade Bultitude
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The F sharp Major triad is one of the most popular chords in Western music. In this article you’ll learn how to contract the F sharp major triad as well as how to play it on piano and guitar. We’ve also included sections on inversions and figured bass for those that want a deeper understanding. Lastly, listen to some examples of popular songs that featured this triad.

F sharp Major Triad – Root , 3rd and 5th

The F sharp Major triad is formed of the 1st, 3rd and 5th of the F sharp major scale. Another way of putting this is that we have the root note (F#), a major 3rd above this (A#), and a perfect 5th above the root (C#). By playing these note we form the F sharp major triad, or the F sharp major chord.

Below is the F sharp major triad shown in the treble and bass clef.

F sharp major triad treble clef
F sharp major triad bass clef

Before you read on make sure that you have a basic understanding of intervals. Intervals are vital for understanding how triads are built. Check out our guide to major, minor and perfect intervals for more on this.

F sharp Major Triad on Piano

Below you can see how to play a F sharp major triad on the keyboard or piano. This pattern of notes could also be played starting on any F sharp note. However, the order of the notes must be the same, with F# being the lowest note, followed by A# and the highest note being C#. This is called ‘root position’.

F sharp major triad root position piano diagram

How to play the F sharp Major Triad on Guitar

There are two simple positions that you can use to play a F sharp major triad on guitar. Both positions can also be slide up or down the neck to play different major triads.

F sharp major triad root position guitar chart

F sharp Major Triad 1st Inversion

A 1st inversion is where we take a triad but we start on the second note, which in this case is A#. We still keep the C# above, but then the F# (or root) become the highest note. This way of rearranging a triad gives us a different sound as the relative pitches of the three notes has changed.

We could construct a 1st inversion starting on any A# note in any octave. The only thing that must stay the same is that the we use the C# above and the F# above that. Below you can see this triad on the staff.

F sharp major triad 1st inversion

How to play F sharp major 1st inversion on Piano

On the piano we can play the 1st inversion of a F sharp Major triad by starting on a A#. Then play the C# above and the F# above this.

F sharp major triad 1st inversion piano diagram

How to Play F sharp Major 1st Inversion of Guitar

Below are the most common shapes for playing a F sharp major triad in the 1st inversion. Remember that we can only use certain shapes are the pitches of the three notes are important.

F sharp major triad 1st inversion guitar chart

F sharp Major Triad 2nd Inversion

A 2nd inversion is where we take a triad but we start on the third note, which in this case is C#. We keep the F# above then the A# becomes the highest note in the chord. Again this will give us a different sound as the relative pitches of the three notes has changed.

We could construct a 2nd inversion starting on any C# note in any octave. The only thing that must stay the same is that the we use the F# above and the A# above that. Below you can see this triad on the staff.

F sharp major triad 2nd inversion

How to play F Sharp major 2nd inversion on Piano

On the piano we can play the 2nd inversion of a F Sharp Major triad by starting on a C sharp. Then play the F# above and the A# above this.

F sharp major triad 2nd inversion paino diagram

How to Play F Sharp Major 2nd Inversion of Guitar

Below are the most common shapes for playing a F Sharp major triad in the 2nd inversion. Remember that we can only use certain shapes are the pitches of the three notes are important.

F sharp major triad 2nd inversion guitar chart

What different types of triad are there?

There are several different types of triads that we can create for the major scale:

  • Major Triad– This is formed with the 1st, 3rd (major 3rd) and 5th (perfect fifth) of the major scale. The F Sharp Major triad is F#, A# and C#.
  • Minor Triad– This is the same as the major triad, except instead of a major 3rd we have a minor 3rd. The F Sharp Minor triad is therefore F#, A, C#.
  • Diminished Triad – To create the diminished triad start with the 1st (F#), then minor 3rd (A) then a diminished 5th (C). A Diminished 5th interval is a half-step (semitone) smaller than a perfect 5th.
  • Augmented Triads– This triad starts with the 1st degree of the scale (F#), followed by major 3rd (A#) and augmented 5th (Cx). An augmented 5th interval is a half-step (semitone) larger than a perfect 5th.

Triads from the F Sharp Major Scale

By looking at the F Sharp Major scale we can actually make triads built on each note and only using notes from F Sharp major. Below you can see a list of each triad we will create be starting on different notes of the scale.

  • F# Major
  • G# Minor
  • A# Minor
  • B Major
  • C# Major
  • D# Minor
  • E# Diminished
chords in f sharp major

Famous Songs in F Sharp Major

Here’s 3 famous examples of songs in a F Sharp Major key. For this reason, they use F Sharp Major triads, as the root note chord, priminently in their chord progressions.

‘Girls Just Wanna Have Fun’ – Cyndi Lauper

Cyndi Lauper’s ‘Girls Just Want to Have Fun’, composed in the key of F# major, is an iconic ’80s pop anthem. With its infectious melody and spirited lyrics, this song has become a timeless classic in the world of pop music.

‘Believe’ – Cher

Cher’s ‘Believe’, set in the key of F# major, is an electronic dance-pop classic that made waves in the late ’90s and remains an enduring hit. With its pioneering use of Auto-Tune and catchy chorus, this song marked a pivotal moment in Cher’s career.

‘What’s My Age Again’ – Blink 182

Blink-182’s ‘What’s My Age Again’, written in the key of F# major, is a punk-rock anthem that captures the essence of youthful rebellion. This song’s energetic composition and cheeky lyrics have solidified its place as an iconic track in the punk rock genre.

Figured Bass Notation for F Sharp Major Triads

Figured bass is an alternative way of labelling chords. It uses vertical numbers to denote chords and it can be used to label any type of triad. Below are the figured bass symbols for the F Sharp Major chord in all three inversions. 

F sharp major triads figured bass
  • Root Position – 3/5 indicates that a 3rd above the root and a 5th above the root are to be played.
  • 1st Inversion – 3/6 indicates that a 3rd and 6th should be played above the root note
  • 2nd inversion – 4/6 indicates that a 4th and 6th above the root note should be played.

There are also figured bass symbols for minor, diminished and augmented triads. A summary is below, but if you want a deepen explanation of how to use this notation, check out our complete guide to figured bass.

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AUTHOR
Jade is an experienced musician and teacher as well as being the founder of Music Theory Foundations. She has been helping people learn music theory for more than 10 years from pre school children all the way to degree level studies.

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