theme song (also `theme tune)

(a) melody that is often repeated in a musical play, film, etc （音乐剧、电影等中的）主题曲, 主题歌. (b) = signature tune (signature).

theatre (US theater), theatre weapons, theatre-goer, theatre-in-the-round, theatrical, theatricality, theatrically, theatricals, thee, theft, their, theirs, theism, theist, theistic, them, thematic, thematically, theme, theme park, themselves, then, then and there, thence, theocracy, theocratic, theodolite, theologian, theological, theologically, theology, theorem, theoretical, theoretically, theorist, theorize, theorize, theorise, theory, theosophical, theosophist,