LOS ANGELES, California (AP) -- Rob Thomas sat down at a computer and typed out a message. Matchbox Twenty singer Rob Thomas says the band had to work out its personal and musical issues. It was a missive to fans about the release of Matchbox Twenty's first single in five years. He told them about a few changes in the band. He told them about their new greatest hits-with-a-twist album. And he told them what so many fans had waited to hear -- he was happy to be back, making music again with his friends. And then he signed off:...