1. Roar – Katy Perry – B
2. Blurred Lines – Robin Thicke – A
3. Berzerk – Eminem – A-
4. We Can’t Stop – Miley Cyrus – A
5. Applause – Lady Gaga – B+
6. Holy Grail – Jay Z – B
7. Wake Me Up – Avicii – B
8. Royals – Lorde – B+
9. Radioactive – Imagine Dragons – C-
10. Summertime Sadness – Lana Del Rey – C+
Comment: And so, Katy conquors Robin and Stephani and grabs the throne where she roars through her Sara Bareilles rip off . It’s a wonderful thing, isn’t it? The magical mayhem known as the US charts where patterns form and dissolve before your very eyes.