What the Bible says clearly
Angels are worshippers of God. Isaiah saw seraphim, a kind of heavenly being, around God’s throne, calling out to one another about his complete holiness and glory (Isaiah 6:3). Their praise is active, personal, and full of awe.
At Jesus’ birth, a multitude of the heavenly host appeared to the shepherds. They praised God and announced peace connected with the coming of Christ (Luke 2:13-14). The passage says they were speaking or declaring praise, rather than specifically singing it.
And suddenly there was with the angel a multitude of the heavenly host praising God, and saying, Glory to God in the highest, and on earth peace, good will toward men.
Praise is not always called singing
That distinction matters. In several visions, angels use words such as “saying,” “crying,” or “praising”. John heard countless angels around God’s throne declaring that the slain Lamb is worthy of power, riches, wisdom, strength, honour, glory, and blessing (Revelation 5:11-12). It is magnificent worship, even though the text does not label it a song.
So, can angels sing? They may well do so, and Christians have often imagined their praise as music. But the careful answer is that Scripture explicitly presents angels praising God, while it does not directly describe them singing in the way it describes people singing.
And I beheld, and I heard the voice of many angels round about the throne and the beasts and the elders: and the number of them was ten thousand times ten thousand, and thousands of thousands; Saying with a loud voice, Worthy is the Lamb that was slain to receive power, and riches, and wisdom, and strength, and honour, and glory, and blessing.
What about the morning stars?
Job describes the earth’s foundations being laid while the morning stars sang together and the sons of God shouted for joy (Job 38:7). Some readers understand “sons of God” there as angelic beings, especially since the same phrase appears in Job’s heavenly scenes (Job 1:6). If that reading is right, the verse may include angels in creation’s joyful celebration.
Still, the passage does not identify the singing morning stars as angels, and it does not settle the question by itself. It beautifully shows that God’s creation began with joy and praise, not that we have a detailed description of an angelic choir.
Heaven’s worship points to God
The main point is bigger than what instruments angels might use or whether their praise has a melody. Angels direct attention away from themselves and towards God and the Lamb. In John’s vision, they fall before God’s throne in worship alongside the elders (Revelation 7:11).
That gives us a helpful picture for our own worship. Whether praise is spoken quietly, sung loudly, or offered in a faithful life, its centre is God’s worthiness. Read these scenes slowly and let their joy invite you to praise him too.