Opening movement — Origin and Grain Elvis arrives with a pulse: pickup twang, piano tremble, a gospel-raw belt. Early singles are sunlight filtered through the South—“That’s All Right” ringing like a declaration. Discography here is more than a list; it is a map of musical encounters: the Sun singles (1954–55), the RCA explosion (1956 onward), the movie soundtracks, the gospel sessions, the triumphant ’68 Comeback, Vegas residencies, marathon studio marathons. Each entry is a waypoint of style and circumstance: producer credits (Parker, Leiber & Stoller, Felton Jarvis), session dates, studio locations (Sun Studio, RCA Studio B, American Sound), session musicians (Scotty, Bill, DJ Fontana, the Jordanaires), and the tentative notes of artistic negotiation between commercial demand and spiritual urgency.