Dm Am
E||--1---------1--------1-----1--------1--------1-----0--------0-----------|
B||-----3---------3--------3-----3--------3--------3-----1--------1--------|
G||--------2---------2--------------2--------2--------------2--------2-----|
D||------------------------------------------------------------------------|
A||------------------------------------------------------------------------|
E||------------------------------------------------------------------------|
-0-----0--------0--------0-----1---------1--------1-----1--------1--------1---|
---1-----1--------1--------1-----3---------3--------3-----3--------3--------3-|
-----------2--------2--------------2---------2--------------2--------2--------|
------------------------------------------------------------------------------|
------------------------------------------------------------------------------|
------------------------------------------------------------------------------|
A Dm
[ Tab from: https://www.guitartabs.cc/tabs/b/bruno_mars/grenade_tab_ver_5.html ]
--0--------0--------0-----0--1-------1-------1-----1-------1--------1--------|
----1--------1--------1---2----3-------3-------3-----3-------3--------3------|
------2--------2----------2------2-------2-------------2-------2-------------|
--------------------------2--------------------------------------------------|
--------------------------x--------------------------------------------------|
-----------------------------------------------------------------------------|
Am Dm
-0------0-----0-----0------0------0-----1-------1--------1-----1------1------|
---1------1-----1-----1------1------1-----3-------3--------3-----3------3----|
-----2------2-----------2------2------------2--------2-------------2------2--|
-----------------------------------------------------------------------------|
-----------------------------------------------------------------------------|
-----------------------------------------------------------------------------|
Bb C *strum*(chorus) - Dm-Bb-F-C x4
Bb--C--F-A-Dm-C-Bb---|A
-1-----1------1------1-----0--------------------------------------------|
---3-----3------3------3---1--------------------------------------------|
-----------3------3--------0--------------------------------------------|
---------------------------2--------------------------------------------|
---------------------------3--------------------------------------------|
---------------------------x--------------------------------------------|
compare it with the music video!! :)