How do you play the C# m7(#9)(no5)/F# chord?

To play the C# m7(#9)(no5)/F# chord on piano, play the C# m7(#9)(no5) chord (C#, E, B and E) with F# as the lowest bass note. Place the F# note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What is a slash chord?

A slash chord (or compound chord) is written as Chord/Bass and specifies both a chord and a bass note. The note to the right of the slash is played as the lowest note. The C# m7(#9)(no5)/F# chord means a C# m7(#9)(no5) chord with F# in the bass.

C# m7(#9)(no5)/F#

Q: What notes are in the C# m7(#9)(no5)/F# chord?

The C# m7(#9)(no5)/F# chord uses the 4 notes of the C# m7(#9)(no5) chord — C# (Perfect unison), E (Minor third), B (Minor seventh) and E (Minor tenth) — with F# played as the bass note in the lowest register.

The C# m7(#9)(no5) chord consists of the C# (Perfect unison), E (Minor third), B (Minor seventh) and E (Minor tenth) notes, with F# as the bass note.

Piano keyboard showing the notes for a C# m7(#9)(no5)/F# chord

How to play the C# m7(#9)(no5)/F# chord

Play F# as the lowest bass note in the left hand
Find C# (Root) on the piano keyboard
Add E (Minor third) — 3 semitones above C#
Add B (Minor seventh) — 10 semitones above C#
Add E (Minor tenth) — 15 semitones above C#
Press all 5 notes simultaneously to sound the C# m7(#9)(no5)/F# chord

Inversions with same root

F# 7(sus4)

Related chords with different root

C# m7(add4)(no5)
C# m7(add11)(no5)
B sus2(add4)

Related slash chords

C# m7(no5)/F#
E 6(sus)/F#