Seth Warden, Doug Moody, and Brian Melick started out making music for kids. Now as Warden and Co., the trio presents Somewhere, their first full-length set for people the age of those kids’ parents. No matter the audience, frontman Warden says, the words mean nothing if they’re not true. And in our chaotic current moment, that truth is everything. “You can’t fake it,” says Warden, whose album releases April 2022. “If you sing certain messages, you better back it up…