Watch Mac Miller play “Small Worlds”, “What’s the Use? (Feat. Thundercat)” and “2009” at the Tiny Desk. Did you know you can watch new Tiny Desk Concerts on npr.org ONE WEEK before they go up on YouTube? Click here: https://www.npr.org/tinydesk Follow NPR Music: Twitter: https://twitter.com/nprmusic Instagram: https://www.instagram.com/nprmusic Aug. 6, 2018 | Bobby Carter — There was a shift in Mac Miller’s boisterous demeanor as he started the third of his three-song Tiny Desk set. It’s the first time he’s performed tracks from his new album, Swimming, in front of an audience. On “2009,” he rubbed his chin with clinched eyes, looking like a young man who’s beginning to crack the code. Backed by a piano loop and a string quartet, he reflected on his journey’s peaks and valleys thus far.