How do you play the C m(#5)/C# chord?

To play the C m(#5)/C# chord on piano, play the C m(#5) chord (C, D# and G#) with C# as the lowest bass note. Place the C# note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What notes are in the C m(#5)/C# chord?

The C m(#5)/C# chord uses the 3 notes of the C m(#5) chord — C (Perfect unison), D# (Minor third) and G# (Minor sixth) — with C# played as the bass note in the lowest register.

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 m(#5)/C# chord means a C m(#5) chord with C# in the bass.

C m(#5)/C#

The C m(#5) chord consists of the C (Perfect unison), D# (Minor third) and G# (Minor sixth) notes, with C# as the bass note.

How to play the C m(#5)/C# chord

Play C# as the lowest bass note in the left hand
Find C (Root) on the piano keyboard
Add D# (Minor third) — 3 semitones above C
Add G# (Minor sixth) — 8 semitones above C
Press all 4 notes simultaneously to sound the C m(#5)/C# chord

Inversions with same root

C# maj7(sus2)
C# maj9(sus2)

Related chords with different root

G# add11

Related slash chords

G# major/C#