Introduction to something more important (7)
I believe the answer is:
prelude
(Other definitions for prelude that I've seen before include "Introductory musical piece" , "Overture" , "Curtain-raiser" , "Preamble" , "Opening piece" .)
I believe the answer is:
prelude
(Other definitions for prelude that I've seen before include "Introductory musical piece" , "Overture" , "Curtain-raiser" , "Preamble" , "Opening piece" .)