E Suspended 4th (Esus4)
1+4+5
Notes in E Suspended 4th
E (root)AB
Inversions
Same notes as E Suspended 4th, with a different chord tone as the lowest note. Useful for smoother movement between chords instead of jumping around the keyboard.
Root position
E in the bass
1st inversion
A in the bass (Esus4/A)
2nd inversion
B in the bass (Esus4/B)
E Suspended 4th consists of E, A and B, played at the same time.
The other suspension raises the missing third up to a perfect fourth, which sits a half step above where the third would normally be. That closeness creates real tension, and it's why a sus4 chord so often falls straight back down into the plain major or minor triad on the same root a beat later.