I have to say, I really like Gaga's song, pretty well made and totally catchy, on the other hand I find Roar really predictable and repetitive... It's just like a Firework 2.0 but not that good... But I do really like APPLAUSE! =)
Well I liked Roar but Firework is way way way better.
Applause is bette rthan Roar for me but Gaga first works are still better.