主题歌

theme song

owner / master / host / individual or party concerned / God / Lord / main / to indicate or signify / trump card (in card games)

theme / subject

surname Ti

topic / problem for discussion / exam question / subject / to inscribe / to mention / CL:個|个[ge4],道[dao4]

song / CL:支[zhi1],首[shou3] / to sing

variant of 歌[ge1]