This riff loops throughout the song
[ Tab from: https://www.guitartabs.cc/tabs/n/nelly_furtado/do_it_btab.html ]
G|----------------------------------------------------------|
D|---8--11------8--6--4-----8--11---------------------------|
A|----------9----------------------9----6--8--9-------------|
E|----------------------------------------------------------|
Interlude:
G|------------------------------------------------|
D|--8--11-----8--11------8-11---------------------|
A|---------9---------9---------9---6-8-9----------|
E|------------------------------------------------|