A Few Scriptures About Singing

Ephesians 5:19

18 Don’t be drunken with wine, in which is dissipation, but be filled with the Spirit, 19 speaking to one another in psalms, hymns, and spiritual songs; singing and making melody in your heart to the Lord;  
Paul, to the saints at Ephesus
 
Colossians 3:16
16 Let the word of Christ dwell in you richly; in all wisdom teaching and admonishing one another with psalms, hymns, and spiritual songs, singing with grace in your heart to the Lord.
Paul, to the saints and faithful brothers at Colossae
 
Psalm 150

150 Praise ye the Lord. Praise God in his sanctuary: praise him in the firmament of his power.

2 Praise him for his mighty acts: praise him according to his excellent greatness.

3 Praise him with the sound of the trumpet: praise him with the psaltery and harp.

4 Praise him with the timbrel and dance: praise him with stringed instruments and organs.

5 Praise him upon the loud cymbals: praise him upon the high sounding cymbals.

6 Let every thing that hath breath praise the Lord. Praise ye the Lord.