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

協賛[kyousan] support
賛歌[sanka] song of praise
賛辞[sanji] eulogy
賛助[sanjo] support
賛成[sansei] approval

賛同[sandou] approval
賛否[sanpi] yes and no
賛否両論[sanpiryouron] the pros and cons
賛美[sanbi] praise
自画自賛[jigajisan] singing one's own praises