How do you play the A# m7(alt)/C# chord?

To play the A# m7(alt)/C# chord on piano, play the A# m7(alt) chord (A#, C#, F#, G# and C#) 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 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 A# m7(alt)/C# chord means a A# m7(alt) chord with C# in the bass.

A# m7(alt)/C#

Q: What notes are in the A# m7(alt)/C# chord?

The A# m7(alt)/C# chord uses the 5 notes of the A# m7(alt) chord — A# (Perfect unison), C# (Minor third), F# (Minor sixth), G# (Minor seventh) and C# (Minor tenth) — with C# played as the bass note in the lowest register.

The A# m7(alt) chord consists of the A# (Perfect unison), C# (Minor third), F# (Minor sixth), G# (Minor seventh) and C# (Minor tenth) notes, with C# as the bass note.

Piano keyboard showing the notes for a A# m7(alt)/C# chord

How to play the A# m7(alt)/C# chord

Play C# as the lowest bass note in the left hand
Find A# (Root) on the piano keyboard
Add C# (Minor third) — 3 semitones above A#
Add F# (Minor sixth) — 8 semitones above A#
Add G# (Minor seventh) — 10 semitones above A#
Add C# (Minor tenth) — 15 semitones above A#
Press all 6 notes simultaneously to sound the A# m7(alt)/C# chord

Related chords with different root

F# add2
F# add9
A# m7(#5)
A# m7(alt)

Related slash chords

F# add2(no5)/C#
F# add9(no5)/C#