Rihanna – Work (Bass Tab)

 [Main Riff] BEAD tuning (the right pitch for the song)
D|----------------------------------------------------------|
A|---------4-------------------7----------------------------|
E|---------------------------------------------------4------|
B|--2--2------2---4-4---5--5------5---7-7---5--7--5-----7---|

 [Main Riff] Standard tuning (an octave higher)
G|---------6------------------------------------------------|
D|-----------------------------9---------------------6------|
A|--4--4------4---6-6---7--7------7---9-9---7--9--7-----9---|
E|----------------------------------------------------------|