Mariel Roberts' sophomore release is Cartography dropping Friday, May 19 on New Focus recordings. It is magical to say the least, and filled with complicated and engaging works. Tailor-made pieces include New York composers Cenk Ergün, Davi∂ Brynjar Franzson, George Lewis, and Eric Wubbels. If you're curious, a new music fan, or just looking for astonishing music making, you'll want to check Cartography out. John Clare spoke to Mariel about the album.