What is this band name?!

There are three members, and they're from England!.
They had a big hit a few years back, and their video consisted of them singing in a train/bus station!.

Their band name has MAC in it!.
I thought of it the other day, but now I am clueless!.
HELP!!?





I know for a FACT it is not McFly!
It has MAC in it!. The words MAC!Www@Enter-QA@Com

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