The IV/5 "sus" chord

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Section 8.2 The IV/5 “sus” chord

An additional four-note chord that sounds like and functions similar to a $\left.\text{V}^{7}\right.$ chord is the $\left.\text{IV}\right.$/$\hat{5} $ (or $\left.\text{F}\middle/\text{G}\right.$ in $\text{C}$ major) chord. In popular music this chord often is substituted for the $\left.\text{V}^{7}\right.$ chord

F triad with G in bass, also known as F/G

Here is a musical example with the $\left.\text{IV}\right.$/$\hat{5} $ chord in $\text{A}^♭$ major.

Figure 8.2.1. Stan Vincent, “O-o-h Child”

Another example of this chord is found in the opening to the Beatles’ “The Long and Winding Road”. In the key E♭ major, the chord is A♭/B♭.

Figure 8.2.2. Beatles, “The Long and Winding Road”

Music Theory for the 21st-Century Classroom

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Section 8.2 The IV/5 “sus” chord