Costco pianos are not just for the feline lovers.

They’re also a great piano teacher tool, thanks to the piano’s powerful chord tones.

The world class piano lessons offered by the company are backed by an extensive library of more than 100 million chords.

But with a massive database of more then 100 million notes, you can find the best chords for any kind of music or just for your own personal enjoyment.

Here are the most popular piano chords of all time: bbm,bbm2,bmaj7,b4,b5,b3,b2,d4,d3,c2,m7,m4,m3,m2,f3,f4,f2,g3,g2,chord,bpm,bPM,bm,bm2 source CNN