Get your calendars out! Tickets go on sale OCTOBER 15 for 2003 Drum Corps International shows in San Antonio, Indianapolis and Murfreesboro.The Southwestern Championships will again be held at the Alamodome in San Antonio, Texas on July 19, 2003 at 1 p.m. It will be one big show with a break, not two separate shows as in the past. Tickets are $45, $35, $25 and $15 for groups. VIEW SAN ANTONIO SEATING CHART The Midwestern Championships will take place at the RCA Dome in Indianapolis, Indiana, on July 26 at 1 p.m. It will also be one big show with a break. Tickets are $45, $35, $25 and $15 for groups. VIEW INDIANAPOLIS SEATING CHARTThe Masters of the Summer Music Games will happen at Middle Tennessee State in Murfreesboro, Tennessee, on July 25 at 8 p.m. Tickets are $40, $30, $20 and $15 for groups. VIEW MURFREESBORO SEATING CHART Tickets will be available online (check back at DCI.org soon), by phone at 800/495-7469 or 630/628-7888 from 9 a.m. to 5 p.m. CDT, by mail at Drum Corps International, 470 South Irmen Drive, Addison, IL 60101, or by fax at 630/628-7971.Ticket charts will be added to this news story tomorrow, Sept. 24.