Here's the intro to Mercy by OneRepublic! :D Not too difficult at all, enjoy!
[ Tab from: https://www.guitartabs.cc/tabs/o/onerepublic/mercy_tab_ver_3.html ]
e|---14---14-----14---12---12-----11---11---11-------------------------------|
B|-12---12----------12---12---12----------12---------------------------------|
G|---------------------------------------------------------------------------|
D|---------------------------------------------------------------------------|
A|---------------------------------------------------------------------------|
E|---------------------------------------------------------------------------|