There is already similar post but this one is maybe easier to play and it sounds
better on acoustic, at least to me..
[ Tab from: http://www.guitaretab.com/o/onerepublic/256765.html ]
C Em
E|------------------------------------------------------------------|
B|------------------------------------------------------------------|
G|-----0---0-----------0---0-----------0---0-----------0---0--------|
D|---2---2---2---2---2---2---2---2---2---2---2---2---2---2---2---2--|
A|-3-----------3---3-----------3---2-----------2---2-----------2----|
E|------------------------------------------------------------------|
Am Fmaj7
E|------------------------------------------------------------------|
B|------------------------------------------------------------------|
G|-----2---2-----------2---2-----------2---2-----------2---2--------|
D|---2---2---2---2---2---2---2---2---3---3---3---3---3---3---3---3--|
A|-0-----------0---0-----------0---0-----------0---0-----------0----|
E|------------------------------------------------------------------|
*Fmaj sounds better to me in the intro than F, but you can play it as you like
cheers