From With or Without You by U2 to Fireworks by Kate Perry.
From I will always love you by Whitney Houston to Boulevard of Broken Dreams by Green Day.
What do they all have in common? They were all composed using the same 6 chords!!
Given in the file below are a set of 45 pop songs that had at one point of time topped the Billboard.
Also here is a list of 10 songs which you haven't heard of so far.
Your job is to characterize the list of songs given to you into hit or flop based on their use of the 6 chords given in the file!