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

一絃琴[ichigenkin] single-stringed Japanese zither
管絃楽[kangengaku] orchestral music
絃楽[gengaku] music for strings
絃楽器[gengakki] stringed instruments
絃声[gensei] sound of the strings

絃線[gensen] catgut
五絃[gogen] five strings
三絃[sangen] three-stringed instrument
絃歌[genka] singing and (string) music