Verses with the word sing in the Apocrypha (6 verses):

Judith 16:1
Then Judith began to sing this thanksgiving in all Israel, and all the people sang after her this song of praise.

Judith 16:2
And Judith said, Begin unto my God with timbrels, sing unto my Lord with cymbals: tune unto him a new psalm: exalt him, and call upon his name.

Judith 16:13
I will sing unto the Lord a new song: O Lord, thou art great and glorious, wonderful in strength, and invincible.

Sirach 39:14
And give ye a sweet savour as frankincense, and flourish as a lily, send forth a smell, and sing a song of praise, bless the Lord in all his works.

Sirach 47:9
He set singers also before the altar, that by their voices they might make sweet melody, and daily sing praises in their songs.

Sirach 51:11
I will praise thy name continually, and will sing praises with thanksgiving; and so my prayer was heard: