This was so much fun to watch! Congratulations to both John and Alembic on the sales!  
I have a Series 1 Bass 75-215 that has the Zebra Wood back laminate. Sweet!!
Pete

Considering John's extensive use of the Further this tour (i.e., not using it for just one or two shows), jazzyvee has a valid question. It would be fantastic to expand the 6-string line with a 'signature series' offering.
 
I will admit, hearing the tones of John McVie on vinyl and witnessing the John Paul Jones body style (late 70s/early 80s) strongly influenced me in my Alembic purchases; the artist videos are a great way of advertising the Alembic product in this day & age...
Chris

Here's the newest addition to the John Mayer collection of videos
 

 
This is in London ten days ago on BBC 2 TV on the Later-with Jools Holland Show.  
 
John is using the Further on 'CAll Me The Breeze'
 
Nice clean camera action and sound

And nice tone!

Very nice tone. !
 
Some details on exactly what Alembic guitar he is playing?

This one.  
http://www.alembicguitars.net/prod/further.html
 
Jazzyvee

Just saw John  on Later w/ Jools.
Susan beat me to it . . .
 
John represents the Alembic team nicely!
:-D

I read last night that John would be playing the show... The Night That Changed America: A Grammy Salute to the Beatles airing February 9, 2014...   maybe an Alembic sighting to be found
 
(Message edited by artswork99 on January 27, 2014)

Here's one of my favorite songs by John Prine
 
Performed by John Mayer on his Alembic Further guitar
 
'Angel from Montgomery' [Ziggo Dome - Amsterdam June 20, 2014]  
 

Loved the way he was fiddlin' in the upper register. Very tasteful playing. One of my favorite tunes of all time.

Nice solo!

John Mayer.. All Phones Arena...Sydney Australia
 

 
At the end plays Further behind his back

While he was playing acoustic, that beautiful guitar was hanging precariously at the edge of his shoulder.  !!!

Letting go of that Martin OM while playing the Further behind the back kinda' makes me nervous too... yikes.  
 
All jitters aside, the guitar solo was incredible.

Strapkeepers? it's hard to tell because all you can see is an inch or so of black cord at the endpin. But man, they work. I've got them on all my acoustics. I think of them as a ten dollar insurance policy.
 


 
 
Don't ever do that, by the way. Not because the Strapkeeper might let go - nothing short of a sawz-all could do that - but because endpins aren't designed to withstand that kind of torment, especially if they're not screwed down. (Hey pa! Cletus is dangling yore ol' D-45 out the window aga... never mind!)
 
I was fortunate enough to watch Ed Dopera build metal-bodied Dobros. I own one. You could hang a chariot from one of those things. Just don't actually drop it, or every guitar repairman you approach is going to shrug and refer you to an auto-body experience in a bad part of town.
 


 
 
Besides, if you really want to impress people, play upright bass behind your back. Slap style. (Now I have a weird bass player Kama Sutra thing going on in my head. I didn't need that.) I have played behind other people's backs, however. It's way easier, but since it usually happens when they rush for the exits, it's far less impressive.