Park of the Red Rocks. Theater Schedules top folk singers for Red Rocks Musicfest this summer* Post Roundup Jun- 7, 1964 p.42 Igor Stravinsky concert only major event scheduled 1964 at Red Rocks. Post Jun. 10, 1964 p.56 Kingston Trio entertains 6500 persons Friday. RMN Jun. 20, 1964 p.45 Trini Lopez opens 2nd concert at Red Rocks. Post Round-pp Jun. 28, 1964 P-7 Bottles and beer can8 barred at future performances. RMN Jul. 26, 1964 P-3