Revelation 1 - The First Vision

https://www.biblegateway.com/passage/?search=REVELATION%201&version=NIV

https://www.revelationbibleprophecy.org/revelation1.html

https://enduringword.com/bible-commentary/revelation-1/

Audio Source:
Faith Comes By Hearing KJV Audio Bible (Dramatized)
by: Faith Comes By Hearing
Publication date: 1997
Usage: Public Domain 

Listen to more of their audio here:
https://archive.org/details/kjvaudiodramatized1/A01___01_Genesis_____ENGKJVO2DA.mp3