Robert Cray - Never Mattered Much
Album - Some Rainy Morning
Tuning - (eadgbe)

Intro
Riff 1
|--3/5-----------------------------------|
|------------fb8-------------------------|
|--------5-------------------------------|
|----------------------------------------|
|----------------------------------------|
|----------------------------------------|

Riff 2
|----------------------------------------|
|----------------------------------------|
|--5h7p5-fb7-fb7--fr7--5-----5-----------|
|------------------------7-----7p5-------|
|----------------------------------------|
|----------------------------------------|

Riff 3
|-----------------5-------5--------------|
|-------------------6-----6--------------|
|-------------7-------7---7--------------|
|--7--------7-------------7--------------|
|----8----5---------------5--------------|
|----------------------------------------|
(This is played behind all the verses, sometimes with slight variation but it sounds 
played like this through out the whole song.)

Riff 4
|----------------------------------------|
|-----------8----------------------------|
|-----------7----------------------------|
|-----------6----------------------------|
|--5-6/7----7----------------------------|
|----------------------------------------|
(played before solo)

Order
Riff 1 x 2
Riff 2 x 1
Riff 3 x 18
Riff 4 x 1
Solo

Tab key:
fb-full bend
p-pull off
/-slide up
\-slide down
fr- full bend and release bend

I tabbed this out by ear, it sounds pretty correct to me, but if you think otherwise 
me at atreyu123456789666@yahoo.com. Peace