Intro: GTR #1
E|-------------------------|
B|-------------------------|
G|--------5-5---------7-7--|
D|-5-5-5--5-5--5-5-5--7-7--|
A|-5-5-5--3-3--5-5-5--5-5--|x3
E|-3-3-3--0-0--3-3-3--0-0--|
Intro: GTR #2
E|-2-2-2--5-5--2-2-2--7-7-|x5
E|------------------|
B|------------------|
G|------------------|
D|-5-5-7-7-9-9-9-9-9|
A|-5-5-7-7-9-9-9-9-9|
E|-3-3-5-5-7-7-7-7-7|
[ Tab from: https://www.guitartabs.cc/tabs/d/demi_lovato/open_tab.html ]
Pre-Chrous
E|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|-4-4-4-4-5-5-5-5-7-7-7-7-9-9-9-9|
A|-4-4-4-4-5-5-5-5-7-7-7-7-9-9-9-9|
E|-2-2-2-2-3-3-3-3-5-5-5-5-7-7-7-7|
E|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|-9-9-9-9-5-5-5-5-7-7-7-7-7-7-7-7|
A|-7-7-7-7-5-5-5-5-7-7-7-7-7-7-7-7|
E|-7-7-7-7-3-3-3-3-5-5-5-5-5-5-5-5|