Some are a little more difficult to play in, and some are easier to play in. If I’m playing a song like this, I’m playing in the key of E flat, based on the scale of E flat, and so on. We’ll talk about why it goes like that in a minute. Okay? If I play a song in the key of D, I’m basing my playing on the key of D, which goes like that. If I play a song like this, I’m basing my playing on the key of D flat which goes like that. I’m basing my playing on that scale of C. When I play a song in the key of C … Let me play a song in the key of C. There’s also twelve different minor keys I can play in because every major key has a relative minor, a kissin’ cousin that uses the same scale. There’s twelve different keys because if I go there, I’ve already played a C down here, haven’t I? There’s twelve different major keys I can play in. The second subject of piano keys is that you can play in a given key. It’s enharmonic with A, but for reasons of key and music theory that I don’t want to explain, it would be notated on the sheet of music as a B double-flat. Just to satisfy your curiosity, in music if you run into a B double-flat, it means to lower that B a whole step, not there but there. There’s such a thing as double-flats and double-sharps, but I don’t think I’ll take that up here. I think that’s as far as we’ll go in terms of piano keys. I can use it either way, can’t I? G sharp or A flat. They can function as a C sharp or a D flat. Now let’s talk about the black keys, okay? If this is C, that note is C sharp because I’m going up a half step above C, but it’s also called D flat. In total, there’s 88 keys counting all the black and white keys. There’s seven of those going from the bottom of the keyboard to the top. An octave is where it encompasses from one letter to the same letter, like A to A, or B to B, or C to C. An octave is an eight, like octopus, eight. There are seven octaves between the bottom note and the top key. Then it starts over again with A, B, C, D, E, F, G. The first white note is A, then B, C, D, E, F, G. If I start at the far left end of my keyboard, and you can’t see that far down I don’t think, but that’s an A. Let’s start off real simply and just talk about the piano keys, first of all, okay? We’re going to talk about what it means to play in those keys. You’re playing in the key of F, or you’re playing in the key of B flat, or you’re playing in the key of D or whatever.
When you play a song, you’re playing it in a particular key. There’s another concept about piano keys you’re playing. For beginners, we’re going to go over that real quickly. Those are called piano keys whether they’re black or white. One meaning is these things on the keyboard. Today I’d like to talk about the subject of piano keys.
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