PERSHORE Abbey plays host to Worcester Philharmonic Orchestra's first afternoon concert of the 2002/2003 season this Saturday. The orchestra's programme, which begins at 2.30pm, will feature Mozart's Clarinet Concerto, Humperdinck's Prelude to Hansel and Gretel, and Prokofiev's Romeo and Juliet Ballet Suite. Tickets cost £7 for adults, £6 for concessions and £4 for students, and are available from Ian Pattison on 01905 453521.