Hi ! this is the main riff in the song ,
Enjoy!
[ Tab from: https://www.guitartabs.cc/tabs/m/madonna/hung_up_tab.html ]
e------------10--10-----------------------10--10-------------------------|
B---------10--------10-----------------10--------10----------------10~---|
G------10--------------10-----------10--------------10-----9-10-12-------|
D---12--------------------12~----12---------------------12---------------|
A------------------------------------------------------------------------|
E------------------------------------------------------------------------|
e-----------13--13/12--------------------12--10-------------------------|
B--------13-----------13--------------13--------10----------------------|
G-----14-----------------14~-------14--------------10-------------------|
D--15---------------------------14--------------------12~---------------|
A-----------------------------------------------------------------------|
E-----------------------------------------------------------------------|
That's it!