dialogue, in an opera etc, that, rather than being sung as an aria, is reproduced with the rhythms of normal speech, often with simple musical accompaniment or harpsichord continuo, serving to expound the plot
of a recital
An instrumental composition in several movements.
A love song that is sung directly to one's love interest, especially one performed below the window of a loved one in the evening.
To sing or play a serenade for (someone).