The concrete square, immortalizing the hands that created such memorable songs as "For What It's Worth," "Suite Judy Blue Eyes" and "Love the One You're With," will be placed in the RockWalk at the Hollywood Guitar Center 7425 Sunset Blvd.

The signed Firebird will be on display inside the Guitar Center store.

Actor, friend and fellow musician Bruce Willis introduced Stills at the ceremony, which was followed by a jam session.

Stills, a Rock and Roll Hall of Famer and founding member of two landmark rock groups--Buffalo Springfield and Crosby, Stills and Nash--joins the ranks of such innovators as B.B. King, John Lee Hooker, ZZ Top, Carl Perkins, James Brown, Brian Wilson and George Martin in the RockWalk.