Getting Used to the A4 Piano Chord Sound
You might run into the a4 piano chord when you're looking through a lead sheet and feel a bit stumped by what that "4" actually means. It's actually one of the most useful tools to have in your pocket if you want to add some movement to your playing without doing anything too complicated. Usually, when people write A4, they're talking about an A suspended 4th, often abbreviated as Asus4. It has this open, airy quality that sounds like it's waiting for something to happen, and that's exactly why it's so popular in everything from classic rock to modern worship music. ...