Raising the open third string to G# at the 1st fret makes this an E7 chord. By combining the root (C), 3rd (E), 5th (G) major 7th (B) and duplicate 3rd (E), we create a Cmaj7. To change this to a ...
For example, a major 7th interval (the root and 7th ... Jarring in isolation but a different matter within the chord. For ...