Learn music theory with Sonid!
Sonid can you help you to understand how music theory works on any device. It's free!
for web, iOS and Android
How to build a +add#9 chord?
Use the following intervals in any order to construct this chord.
Which scales can you play on the +add#9 chord?
augmentedalteredultralocrianaugmented heptatonicspanish heptatonicchromatic