Of course, not all triads have to be chords of C major or minor. You can use the process, of selecting the 1st (root), 3rd, and 5th degree of either a major or minor scale, to construct any triad ...

In this case, an A major with a B in the bass (check out Examples 1 and 2 below). ... The B, D#, and F# on the top three ...

Step 6: Time to combine these two techniques together to build our C major triad. We need to play the power chord again, but now with finger 3 involved. Placing your hand correctly over the five keys ...