THE distinguished Budapest Strauss Symphony Orchestra will be giving six concerts in this year's Hongkong Cultural Centre Midsummer Classics series. The concerts will be held at the HKCC concert hall from July 26 to August 1. The series will start and close with the programme ''Always In My Heart'', featuring popular violinist Takako Nishizaki playing a selection of light Chinese music. Tickets at $40, $70, $100 and $150 (half-price for students and senior citizens) are available at all URBTIX outlets. Bulk purchase of six to 10 tickets will get a 10 per cent discount, 11-20 tickets a 20 per cent discount, and 20 or more tickets a 30 per cent discount. For reservations and more information call 734-9009 and 734-2930.