For those who have no idea, this achievement simply relies on the Drummer, Guitar, Bassist and Vocalist to use Overdrive at the same time. Can be done on any song that contains Overdrive. When each user deploys overdrive the multiplayer goes up by x2.
The best situation would be to wait till the Drummer enters a Overdrive activation phrase then using overdrive on both the Guitar, Bass and then Vocals.
If you're trying to do this on your own, you could perhaps save up overdrive on each instrument individually and carry it forward to your next song.
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