You're lacking in imagination people above:
Ritzy's has 3 big floors of; Cheese, Dance and R&B, full of locals.
Scream plays mainly Indie and Chart, couple of exceptions.
The Engine Shed plays different stuff nightly; from Electro, Dance to R&B.
The Cell plays indie, electro, r&b, live music.
Sakura plays some of the above too.
Sugacubes plays rock and things like that from what I gather.
Then pubs and bars like Revolution, Glasshouse, Lloyds, Walkabout, Essence, Shotz and Varsity (etc.) that play mostly chart/dance.