哀歌[aika] lament (song)
愛唱歌[aishouka] (one's) favourite song
詠歌[eika] poem (esp. tanka)
艶歌[enka] enka
応援歌[ouenka] rooters' song

歌い合う[utaiau] to sing responsively
歌い上げる[utaiageru] to sing at the top of one's voice
歌詠み[utayomi] tanka composer
歌会[utakai] poetry party or competition

鄙見[hiken] my humble opinion
鄙語[higo] vulgar expression
鄙賤[hisen] low class
鄙俗[hizoku] vulgarity
鄙劣[hiretsu] mean

鄙猥[hiwai] indecent
辺鄙[henpi] hard to reach place
野鄙[yahi] vulgar
鄙びる[hinabiru] to become rustic