I'm a little lost. I'm not sure what your brother actually wants to do.
Look at attractive members of the opposite sex?
Dance with attractive members of the opposite sex?
Meet fun, interesting strangers?
Drink a lot of alcohol?
Drink good alcohol?
Drink a particular kind of alcohol?
Eat good food?
Knowing a bit more about what kind of night you're hoping to have might help to narrow down the options a bit.