The word "sing" in the KJV is found 119 times; "singing" 29 times; "song" 78 times; "sung" 7 times; "sang" 12 times.
Clearly singing is of importance in worship. Indeed the whole book of Psalms is a Hebrew hymn book.
Here's what Paul has to say about singing and worship:
Ephesians 5:19 addressing one another in psalms and hymns and spiritual songs, singing and making melody to the Lord with all your heart,
I hope you have found this helpful.