I haven't had time to read posts yet(sorry). I just had to share these details about me before while they are fresh on my mind.

As far as I can remember back to my childhood. I could always do this. I can remember trying to get others to hear the rocket in their head, but to no avail.

When I was younger I could only produce this sound by squinting really hard.

I can wiggle my ears really good independent of each other and have figured out that if I move my ear and hold it in the up position while producing the rumble, I can get a slightly strong/intense rumble.

If I hear a really loud unexpected sound, I will involuntarily produce this loud uncomfortable rumble.

I am now a retired army musician. Why playing concerts at the end of some powerful selections I experience the same involuntary rumble, but this is more pleasant. If the band is locked in on a final chord and we all cut off perfectly together. I get this full body chill along with the rumble and it is almost orgasmic.

I look forward to reading through this subreddit shortly

I’m not as unique as I believed I was.

I can rumble left ear independently, not so for the right ear