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4 Non Blondes – What's Up? Lyrics 8 years ago
"world was made up of this brotherhood of man" -> men domination (?)

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4 Non Blondes – What's Up? Lyrics 12 years ago
She did not know where to go, "even" after her 25 years something was missing.
When she realized that the world is in possession of men (not men and women),
she saw she was not welcome in that world;
she sadly (cry in bed) noticed that she was not like everybody else (peculiar - perhaps different/free/lesbian?).

Then she decided that everybody else behavior is not really important and more, it is bad to her.
That was the cause of her screaming and brave asking (What's goin' on).
She explains the attempts of being a "normal" person, she tried to stay in the "normal" society (institution/preconceptions/church?).
She early warns that God will not help, because "she prayed" to him until her limits (to reinforce the fact that she used all the means society gave to her).

Finally she broke up with society (I pray every single day For a revolution).
In the context, it is clearly a non sense the sentence "pray for revolution".
It is like to substitute some thing (praying) by the other (revolution).

The "groan part" may be a reference to a delightful moment, maybe freedom, or sexual pleasure.
Of course the author opted for the generality.

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