Suspended 2nd replaces the 3rd with the 2nd (1–2–5). Open and airy, it leaves the chord's major/minor quality ambiguous and is great for ringing arpeggios.
NotesE · F♯ · B
Formula1 · 2 · 5
Every suspended 2nd chord tone across the neck. Solo with these and you spell the chord — that's the difference between running a scale and playing the changes.
