To play CDLC on Rocksmith 2014 (PC/Mac), you generally need three things:
Why no "Complete Pack"? Licensing. Music rights are a nightmare of expiring contracts. A song by The Rolling Stones might cost $2.99 today, but the license could expire tomorrow (and many did—looking at you, “Paint It Black” ). Because Ubisoft cannot guarantee perpetual rights to every song, they cannot bundle everything into one permanent, discounted package.