This is probably a bass tab but its easy and sounds great in the background.
e-----------------------------------------------------------|
b-----------------------------------------------------------|
g-----------------------------------------------------------|
d--------------------2----2---------3-2---3-2---3-2---------|
a-0--2-3-2--3-5-3--5---5---3-0--0-0-----0-----0-----3-2-320-|
e-----------------------------------------------------------|
Artist: Alicia Keys
Click to get the code!