E |------0------------------------|
B |------x------------------------|
G |--7-7-9------------------------|
D |--7-7-9------------------------|
A |--5-5-7-5--7--5--8--5----------|
E |-------------------------------|
D D E
It pretty simple. If you play it with the song the rhythm plays this through the whole song.
Not sure about the piano
but there's another part where a second guitar does somethin like this
E |-------------------------------||-----5-7-----------------------|
B |-----5-7-----------------------||-------------------------------|
G |-------------------------------||-------------------------------|
D |-------------------------------||-------------------------------|
A |-------------------------------||-------------------------------|
E |-------------------------------||-------------------------------|