tommyk: Music buffs might recognize these as I, IV, V, and VI chords. Try them out! Tons more songs use these four like Cheap Thrills, Don't Let Me Down, Treat You Better, the list goes on and on. Let me know if you'd like any more quick tips and check my channel out for some more complex chords in action! #cover #mashup #collab #joinmycollab #acapella