Whats this song? Its really old?!

Theres this song that I like alot but I dont know what its called or who its by!.
its a really old song and it goes something like
When I feel
The magic in my !?something!?
and when I touch
and merge in the right lane
or something like that
and then theres some rapping!.
its on one of the radio stations on grand theft auto:san andreas too!.

Someone help please!?Www@Enter-QA@Com

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