Atmosfarag
Umphrey's McGee
Tab by Eric S w/ updates from The Spinal Shaft

Main Riff

--------------------------------
--------------------------------
-9-----6------------------------
---------------7----------------
-7-----4------------------------
---------------5----------------

played over these chords (keep playing the octaves on the 5th of each chord)

 A > F#m > D
 A > F#m > D
 A > F#m > E
 A > F#m > G

The G sounds pretty good like this

-----
--3--
--0--
--0--
--X--
--3--

     Fm     C#   Fm   Bbm                   Fm     C#   Fm   Bbm
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-----10----------10--------------------------10----------10---------------------
-/10--------11--------8-----------------/100--------11--------8-----------------
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

     Fm     C#   Fm   C#   Fm   Bbm         Fm     C#   Fm   Bbm
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-----10----------10--------10----------------10----------10---------------------
-/10--------11--------11--------8-------/100--------11--------8-----------------
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

Do all that twice, then repeat this for a bit...

 C#m/G#            G#
-------------------------------------
-----5---5---5---5-------------------
-----6---6---6---6-5-5---------------
-----6---6---6---6-6-6-----------4-6-
-------------------6-6-------4-6-----
-4---4---4---4---4-4-4---------------


That's about it, go back and do the main riff again and you're done.