April 25, 26 2019 - Possible Vocal and Potent Knocks

Ravine area, quick video at 6PM and 8PM
AUDIO TIMELINE
At 3:49 possible vocal and I say "I heard that"
At 4:35 Close snap or knock?
At 4:49 Distant knocks start
At 5:35 Sharp knock then TEN minutes later at 5:50 a wicked JARRING knock
At 6:12 distant bangs of some sort?

Knocks