Life The Lonely Island played ‘I’m On a Boat’ with T-Pain at Summerfest — and Jose Canseco showed up June 29, 2019Piet Levy, Milwaukee Journal SentinelComments Off on The Lonely Island played ‘I’m On a Boat’ with T-Pain at Summerfest — and Jose Canseco showed up There were fake celebrities too — including a Justin Timberlake puppet and a rapping Brett Favre.