No matter how great you are at playing the piano, and even if you're a natural who can strum out Rachmaninoff perfectly simply by listening to it once, music theory should still be a vital part of your music learning process. Whether you're a beginning piano player or an advanced professional looking to polish up your music theory skills, you should check out this music theory tutorial.
Press "Play" to learn about dominant and diminished 7th chords. Dominant 7th chords have a root, major third, perfect fifth, and minor seventh.
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