Mat tells me about 3D printing, building a square drumset, acknowledging your own character traits to keep growing and why he doesn't record many bands anymore. Citizen's new album Calling The Dogs is out this Friday!Learn your favourite song and download AMPOLLO - the FREE app that lets you practice at home with songs, using its AI stem-removing super smart tech:https://apps.apple.com/app/apple-store/id1659856412?pt=125376217&ct=Giles&mt=8Photo: Jonathan Wiener Learn more about your ad choices. Visit megaphone.fm/adchoices