Apologies for any inaccuracies, but it's pretty close.
Bass starts @ 12s
G|---------------------------------------------------5---------|
D|-------------------------------------------------5-----------|
A|--------------------------0-2-3------3----0-3----------------|
E|--3-------------3-------3--------------3---------------------|
G|-------------------------------------------------------------|
D|----------------5--------------------------------------------|
A|--------------5-------------0-3------3----0-3----------------|
E|--3---------------------3--------------3---------------------|
Gravity.. against me..
G|-------------------------------------------------------------|
D|-----------------------------------------------------2-------|
A|---------------------------0-3------3---0-3------------------|
E|--3-------------3---------------------3----------------0-2---|
gravity.. down..
G|--------------------------------------------------5----------|
D|----------------5-------------------------------5----5-------|
A|------------5-7-------------5-3---------5---3---------3------|
E|--3--------------------3-----3-------------3-----------------|
never know.. all the love..
G|------------------------------------------7------------------|
D|----------------7------------------------7-------------------|
A|--------------7--------------5-------5-7---------5-----------|
E|--5------------------5---------------------------------------|
dream.. throw..
G|-----------------------------------------7-------------------|
D|------------------------------------7--9------7--------------|
A|--------------6-----------5-------9-------------5------------|
E|--6----------------------------------------------------------|
Gravity.. against me..
G|-------------------------------------------------------------|
D|-------------5--5----------1-0-------------------------------|
A|----------5-7--7--------------3-------3---0-3-------3--------|
E|--3-------------------3-----------------3------------0--5----|
gravity.. down..
G|-------------------------------------------------------------|
D|---------------5---------------------------------------------|
A|-------------57------------0-3-----------3-------0-3---0-3---|
E|--3-----------------3-----3------------2---------------------|
[ Tab from: https://www.guitartabs.cc/tabs/j/john_mayer/gravity_btab.html ]
Twice as much.. cant sustain..
G|-------------------------------------------------------------|
D|--------------------------------------------------5----------|
A|------------------------------5-------------5------75--------|
E|--5-------------5---------35---------------5-----------------|
wanting.. gonna..
G|----------------------------------------5/7------------------|
D|------------------------8-------------5---------7------------|
A|----------------6----------6--5-----7-------------5\---------|
E|--6----------------------------------------------------------|
(guitar solo)
G|---------------------------------7--5------------------------|
D|----------------5--------0------5--5--5--------------5-------|
A|--------------57----------43-----------3---------5-7---------|
E|--3------------------3---------------------------------------|
G|--------------------------------------------5----------------|
D|-------------5-------------5---------------5-----5-----------|
A|------------5------------5----3----------3--------3----------|
E|--3-------------3------7-------------------------------------|
twice.. twice.. cant..
G|----------------------------------------7----7/9\7-----------|
D|---------------7----------------------7----7----------7------|
A|-------------7------7----03-5--------5------------------5----|
E|--5------------------5---------------------------------------|
wanting.. gonna..
G|-------------------------------------------------------------|
D|-------------------------------------------------------------|
A|--------------6---------6-5-------------65-------------------|
E|--6----------------0-5---------------06--------------10\-----|
Gravity.. stay the hell..
G|-------------------------------------------------------------|
D|---------------05---------------------------------------7----|
A|-------------------------0-3-----3---0-3------------5/7------|
E|--3------------------3-------------3-------------------------|
Gravity.. men.. how can..
G|------------------------------------------5-5-----5----------|
D|---------------5-------------------------5-5-5---5-5---------|
A|-------------57------------03-----------------3-----3--------|
E|--3-----------------3----------------------------------0-----|
light is.. keep me..
G|----------------------------------------------5---------5----|
D|----------------5----------------------------5---------5-----|
A|------------5-7-----------0-3-----3---0-3--------------------|
E|--3-----------------3---------------3------------------------|
light is.. Come on, keep me where... (bass silent)
G|-------------------------------------------------------------|
D|----------------5--------------------------------------------|
A|------------5-7----------------------------------------------|
E|--3-------7--------------------------------------------------|