The One Bermuda Alliance staged a thank you concert for supporters tonight ahead of the Island going to the polls on Monday.The event, billed Change Fest and held at the Bermuda College, began sluggishly.Advertised as beginning at 7pm, it had yet to get underway at 745pm and just a handful of OBA supporters were present.However, by 915pm, the free concert had warmed up somewhat. Around 80 people had arrived to watch by the time local artist Slanger hit the stage.He performed tracks including Good Over Evil and Bermuda Get Wise with a message of peace and positivity.Other artists billed to perform include DJ CM, Ray Jay and TJ Gibson.