All the tab out there is crap. Just saw them live and this is how he plays it hope it helps.
Tabbed by:liam spero
Email:liam.spero@hotmail.com
Tuning: Standard
Intro: F#m - E - B7 - C#7
e|---------------------------------------------------------------------------|
B|--7~-7~-5h7p5-------5------------------------------------------------------|
G|--------------6/4/6---6/4-2-4-2-4-4-2-4-2----------------------------------|
D|------------------------------------------4-2-2h4p2-2----------------------|
A|------------------------------------------------------4-2------------------|
E|-----------------------------------------------------------5-2-------------|
F#m - E - B7 - C#7
[ Tab from: https://www.guitartabs.cc/tabs/b/black_keys/tighten_up_tab_ver_4.html ]
e|---------------------------------------------------------------------------|
B|--7~-7~-5h7p5------7~-7~--5h7p5--------------------------------------------|
G|--------------6/4-----------------6/4----3b-3b-3-2-2-----------------------|
D|-----------------------------------------------------2h4-------------------|
A|---------------------------------------------------------------------------|
E|---------------------------------------------------------------------------|
Breakdown
F#m - C#7 - F#m - C#7 - F#m - F#m - A - B7
************************************
| / slide up
| \ slide down
| h hammer-on
| p pull-off
| ~ vibrato
| + harmonic
| x Mute note
| b Bend
| pb Pre-bend
| br Bend release
| pbr Pre-bend release
| brb Bend release bend
************************************