Northamptonshire County Youth Big Band (NMPAT) This image appears in the gallery:Music for Youth 2015: Town Hall, 10 July 153. Northamptonshire County Youth Big Band (NMPAT) Northamptonshire County Youth Big Band (NMPAT) at Music for Youth 2015. Picture: Gaelle Beri 155 images See the full gallery: Music for Youth 2015: Town Hall, 10 July