n. 独唱颂歌, 无伴奏齐唱, 挽歌

[ noun ]
music consisting of a single vocal part (usually with accompaniment)
<noun.communication>

Monody \Mon"o*dy\, n.; pl. {Monodies}. [L. monodia, Gr. ?, fr. ?
singing alone; mo`nos single + ? song: cf. F. monodie. See
{Ode}.]
A species of poem of a mournful character, in which a single
mourner expresses lamentation; a song for one voice.