One Harp sounds like two. Yes it happens "but"?

Is this one a little more exceptional?
https://www.youtube.com/watch?v=oPA-9b8L4ow

2014-03-16T15:31:50Z

Not really trying to be trick talking here. I think exactly like I was saying here. The (like Martin said) "tongue blocking". But I am wondering more.

Martin2014-03-16T12:27:34Z

Favorite Answer

Hey buddy, good to see you're around again.

LOL. Find myself (once again) trying to decipher "Glenspeak" ;) Anywhoo-he's tongue blocking, if that's the "sounds like two" you're referring to. Nice cut.

Here's some more-

Deford Bailey
http://www.youtube.com/watch?v=z20d-eHcjhk

Walter Parham
http://www.youtube.com/watch?v=o0tAl8dSjvY

Freeman Stowers
http://www.youtube.com/watch?v=rC6mc0bMcWY

longshotsblues2014-03-15T20:57:29Z

Not bad for a white boy. http://www.youtube.com/watch?v=rx_gDDMOltI

William McCoy - Mama Blues http://www.youtube.com/watch?v=G2hESjj_hS4

But it's still this one by McCoy that blows me away. Fox Chase lol http://www.youtube.com/watch?v=Fu7XuXHwhiU

Trixie Delight2014-03-15T20:44:42Z

Canned Heat? I guess maybe that was originally an older song... Either way, me likey. :)