In today’s post we will be learning exactly how to play a guitar chord known as C#7sus4. Other names for this chord are C Sharp 7 Sus 4, C# dominant 7th suspended 4th, Db7sus4. Let’s dive into a little music theory concerning this chord shall we? This chord has it’s origins in the C# Scale. The C# Scale consists of the following note: C#, D#, E#, F#, G#, A#, and B#. As you can see there are 7 notes within this scale, but we only need 4 notes from this scale to build are chord and those notes are: C#, F#, G#, B. You are probably wondering how we came up with those 4 notes right? Well it’s quite simple. We need to apply a simple little formula that looks like this: 1-4-5-b7. This just means that we need to take the 1st, 4th, 5th and flattened 7th positions of the C# Scale to make our C#7sus4. The “flattened 7th” or “b7” may need a bit of explaining. For this, we just take the 7th position of the C# scale and go back or “flatten” that note one half step to arrive at our “B”.
So the notes again are: C#, F#, G#, B
Here is a key that will help you read the chart:
So now that you have learned a bit of theory behind the chord, let us take a look at the chord charts. See the key above to help you read the diagrams below. There are 4 different versions of this chord below. These are definitely intermediate to advanced chords so if you are a beginner and having difficulties with this chord, do not get frustrated. It will take some time before you build up the strength and skill to play these without error.
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