serenaded — a complimentary performance of vocal or instrumental music in the open air at night, as by a lover under the window of his lady.
chorused — Music. a group of persons singing in unison. (in an opera, oratorio, etc.) such a group singing choral parts in connection with soloists or individual singers. a piece of music for singing in unison. a part of a song that recurs at intervals, usually following each verse; refrain.
crooned — to sing or hum in a soft, soothing voice: to croon to a baby.
verb lullabied
lulled — to put to sleep or rest by soothing means: to lull a child by singing.