It's the Pitch Battle live final tonight and here's how to vote online for FREE.
Tonight sees the final six groups battle it out live to be crowned the first ever Pitch Battle champ.
And, based on the show's poor ratings, probably the only ever one.
The six groups in the final are: Young chamber choir Tring Park 16, Portsmouth University Gospel Choir from the south coast, a group of five childhood friends from Loch Lomond, Scot Soul, a cappella group from Kings College London All the King's Men, the Leeds Contemporary Singers and and wild card act, Welsh choir Sgarmes.
Pitch Battle vote online for free
Tonight the public will get their say for the first time in the series and you can vote online and for FREE.
In order to vote, head over to the BBC Pitch Battle website HERE. You'll need to make sure you're signed in to your BBC account or register for one for free if you've not got one yet.
In the final tonight, the public will decide between the top two groups.
Mel Giedroyc will return to present the live final with judges Gareth Malone, Kelis, and final guest judge, the Pitch Perfect Deke Sharon.
Between them the judges will whittle the six final choirs down to the top two through a series of head-to-head, sing-or-be-sung-off choral challenges - leaving the viewers to pick the ultimate winner.
Then the groups will again battle it out in a themed riff-off before vocals are laid bare in the a cappella round.
At the end of it, two groups will remain for viewers to vote between and crown one the Pitch Battle 2017 winners.
The winners of Pitch Battle will receive a £50,000 prize.
Pitch Battle airs tonight at 7:25PM on BBC One.