C Altered Dominant Chord

Symbol: C7alt

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

C7alt chord – keys C, E, Gb, Bb, Db, Ab highlightedPiano keyboard with keys C, E, Gb, Bb, Db, Ab highlighted. C is the root note.CEGbBbDbAb
C7alt chord – keys C, E, Gb, Bb, Db, Ab highlightedPiano keyboard with keys C, E, Gb, Bb, Db, Ab highlighted. C is the root note.CEGbBb

Guitar

Guitar chord diagram for C7alt (8fr)Guitar chord voicing with notes C, Gb, Bb, E, Ab, Db.C7alt (8fr)82334

Intervals

NoteIntervalSemitones
CP10
EM34
Gbd56
Bbm710
Dbm91
Abm68

About the C Altered Dominant Chord

The C Altered Dominant chord is built from the notes C, E, Gb, Bb, Db, Ab. These notes are derived by stacking intervals above the root note C, following the interval pattern that defines every Altered Dominant chord. Understanding how a chord is constructed from intervals is one of the most valuable skills in music theory, because it allows you to build the chord in any key and recognize it in any context.

You can use this chord in a variety of musical contexts. Try exploring the scales that contain these notes to discover which keys this chord naturally belongs to. Each scale listed above shares all the notes of this chord, making it a diatonic chord within that key. Understanding these relationships helps with songwriting, improvisation, and arranging.

Try C7alt in the Chord Identifier →