The Purcell Jazz Ensembles, led by Simon Allen & featuring Martin Shaw The Purcell Jazz Ensembles, led by Simon Allen & featuring Martin Shaw Simon Allen (ts), (tpt), plus students from Purcell The Purcell School for Young Musicians is in Bushey and nurtures national and international musicians. BJazz has featured students in our Showcasing Emerging Artists initiative of Support Acts. Tonight the stage will be full, with 15 or more students, divided into bands, led by Simon Allen (ts) and with star guest Martin Shaw on trumpet. Tickets are available online upto 17:00