In the midst of the heavens I saw armed soldiers, serving the Lord, with tympana and organs, with incessant voice, with sweet voice, with sweet and incessant (voice) and various singing, which it is impossible to describe, and (which) astonishes every mind, so wonderful and marvellous is the singing of those angels, and I was delighted listening to it.
Apocrypha · Chapter 17 of 68
2 Enoch (The Book of the Secrets of Enoch) 17
Slavonic
About 2 Enoch (The Book of the Secrets of Enoch)
Known as Slavonic Enoch: the ascent through the seven heavens, what Enoch sees in each one and the account of creation he brings back to his sons. English text: The Apocrypha and Pseudepigrapha of the Old Testament, vol. 2, The Book of the Secrets of Enoch (Oxford: Clarendon Press), N. Forbes and R. H. Charles, from W. R. Morfill, 1913 (public domain). Portuguese and Spanish: Lux Veritas translations from this edition.
Source: The Apocrypha and Pseudepigrapha of the Old Testament, vol. 2, The Book of the Secrets of Enoch (Oxford: Clarendon Press), N. Forbes and R. H. Charles, from W. R. Morfill (1913) · public domain