Guitar skills: 'Add’ chords come in the form of either ‘add9’ or ‘add11’. The name tells you to add either a 9th or 11th interval to a basic major or minor chord. So, Cadd9 is a C chord ...

This lush, chord kicks off Purple Rain and is an inversion of a Bb add9, with the major 3rd of the chord in the bass, then the root, 9 and 5th on the highest 3 strings; all creating an iconic ...