This month's Art of Jazz concert presented by Earshot and The Seattle Art Museum featured exciting new compositions and arrangements for octet by Dylan Hayes and Xavier Lecouturier. The DX-Tet, co-led by Hayes and Lecouturier, played a rich program for four horns, piano, guitar, bass and drums. The co-leaders grew up in the Bay area and have lived in Seattle the last four years while attending Cornish College of the Arts. Drawing on a variety of sources and a rich musical pool, the music blends