The Black Keys

Tighten Up

Key

b : Bend 
 r : Release
 / : Slide into
 \ : Slide out of
 h : Hammer on
 p : Pull off
(-): Ghost note
 v : Vibrato
 x : Mute
 T : Fret with thumb
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Intro/Verse

Guitar I

He doesn't hit the bass notes on the studio version, and only during the verse live.

F#m (244222@1)             C#m7 (x4242x@1)          Bm (x24432@1)            C# (x43121@1)e|----9------9-----|----9-----9----|----7-----7----|----9------9-----|
B|----10-----10----|----9-----9----|----7-----7----|----9------9-----|
G|----11-----11----|----9-----9----|----7-----7----|----10-----10----|
D|----11-----11----|----9-----9----|----9-----9----|----11-----11----|
A|9--------9-------|7-------7------|---------------|-----------------|
E|-----------------|---------------|7-------7------|9--------9-------|
                                    T               T

Guitar II

e|------------------|------------------|--------------------|
B|------------------|------------------|--------------------|
G|------------------|------------------|--------------------|
D|----4-----4-2-----|------------------|--------------------|
A|--------------4p2-|0---0-----2-0---0h|2v---2v---0h2-0---0-|
E|2-------2---------|--------2-----2---|----------------2---|

e|----------------------|----------------|
B|----------------------|----------------|
G|----------------------|----------------|
D|----------------------|----------------|
A|2/4---4\2---0h2---0---|----------------|
E|----------------------|2---------------|

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Bridge

On the studio record he uses either an overdub or an octave effect.

You can also hit the open A string in place of the bent note.

e|-----------------------|----------------------|----------------------|
B|5/7v---5h7v---5-7-5----|------5---------------|----------------------|
G|--------------------6\4|/6v-------6\4-2-4-2---|4v---4v---2h4-2-------|
D|-----------------------|----------------------|----------------4-2---|
A|-----------------------|----------------------|----------------------|
E|-----------------------|----------------------|----------------------|

e|-----------------------|-------------------|
B|-----------------------|-------------------|
G|-----------------------|-------------------|
D|2h4v---2v---2----------|-------------------|
A|--------------4-2------|-------------------|
E|------------------5b---|2v-----------------|
                            
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Chorus

e|-----------------------|------------------------|------------------------|
B|/7v---7v---5h7-5-------|5/7v---7v---5h7-5-------|5/7v---7v---5h7-5-------|
G|-----------------6\4---|------------------6\4---|------------------6\4---|
D|-----------------------|------------------------|------------------------|
A|-----------------------|------------------------|------------------------|
E|-----------------------|------------------------|------------------------|

e|------------------------|-----------------------|-------------------------|
B|------------------------|/7v---7v---5h7-5-------|---/7-7v---5h7-5---------|
G|4/6v---6---6-4\2--------|-----------------6\4---|-------------------6\4---|
D|-------------------4-2--|-----------------------|-------------------------|
A|------------------------|-----------------------|-------------------------|
E|------------------------|-----------------------|-------------------------|

e|---------------5-------|-------------------|-------------------|
B|---/7-7v---5h7---7-5---|-------------------|-------------------|
G|-----------------------|/6-6v---4\2-4-2----|-------------------|
D|-----------------------|----------------4v-|-------------------|
A|-----------------------|-------------------|-------------------|
E|-----------------------|-------------------|(2)----------------|

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Breakdown

The rhythm of the last 2 chords vary.

F#m (244222@1)          C#m (x13321@4)                     A (x02220@1)         B (x2444x@1)e|9----9----9-----------------------------|----------------------------|
B|10---10---10----------------------------|----------------------------|
G|11---11---11---9----9----9----9----9----|6---6-6-6---8---8---8-8-8---|
D|11---11---11---11---11---11---11---11---|7---7-7-7---9---9---9-9-9---|
A|9----9----9----11---11---11---11---11---|7---7-7-7---9---9---9-9-9---|
E|---------------9----9----9----9----9----|5---5-5-5---7---7---7-7-7---|
                                        x3