This is the song Amazing Facsimile which is used in the Sims trailer as well as in 
game soundtrack.
This song is pretty confusing because it is all over the place
But it is a simple song to play and is in a Bminor Pentatonic scale so it's pretty 
straight forward.
Tuning - Standard (EADGBE)

Beginning

You will have to listen out for this part

e|-----------|
B|-----7-10~-|
G|-7-9-------|
D|-----------|x5
A|-----------|
E|-----------|

e|-----------------------------|
B|------7---------7h10-----7---|
G|-7--9----7~--7h9-----7h9--7~-|
D|-------7---------------------|
A|-----------------------------|
E|-----------------------------|

(Chord progression - D A B G A) x2

e|---------|
B|--7-10---|
G|-9----7~-|
D|---------|
A|---------|
E|---------|

After Chord Progression listen out for this part

e|-----------|
B|-----7-10~-|
G|-7-9-------|
D|-----------| x6
A|-----------|
E|-----------|

e|---------------------------------|
B|------7---------7h10-----7h10----|
G|-7--9----7~--7h9-----7h9------7~-|
D|-------7-------------------------|
A|---------------------------------|
E|---------------------------------|


Main Part

e|-----------------------------10-12-9-|
B|---10--7---10-7-8---10--7-10---------|
G|-7---9---7--------7---9--------------|
D|-------------------------------------|
A|-------------------------------------|
E|-------------------------------------|


After first Main Part

e|---------------------|
B|---------------------|
G|-7-6-----7-9-6-9-7---|
D|-----7-9-----------9-| x2
A|---------------------|
E|---------------------|

Third time
e|--------------------------------------------------|
B|-------------10-----------------7-10~~~~-----10---|
G|-7-6-----7h9---7~--6-9-7----7-9----------7-9----7-|
D|-----7-9----------------9-7-----------------------|
A|--------------------------------------------------|
E|--------------------------------------------------|

e|-----------------------|
B|-8/10--8--7--8/10------|
G|-------------------7---|
D|---------------------7-|
A|-----------------------|
E|-----------------------|


Main Part and Ending

e|-----------------------------10-12-9-|
B|---10--7---10-7-8---10--7-10---------|
G|-7---9---7--------7---9--------------|
D|-------------------------------------|
A|-------------------------------------|
E|-------------------------------------|

e|---------------|
B|---10--7-------|
G|-7---9---7-6-7-|
D|---------------|
A|---------------|
E|---------------|

That is it. It is a simple song to play.
These are the notes so you have to work out the timing and structure for yourself.