Martyn Grisdale at OnlineTrumpetTeacher.com has over 23 years' highly successful brass (specialising on trumpet) teaching experience. Since making the move to Trinity College exams about nine years go 98% of candidates achieve at least a merit! He is an experienced qualified classroom music teacher and has a Postgraduate Certificate in Performance Teaching from the Guildhall School of Music and Drama in London. As well as his plethora of teaching experience he has a Postgraduate Diploma in Advanced Performance from the Royal College of Music in London and a wealth of professional playing experience including West End and touring shows and is currently a trumpeter with the Band of the Royal Air Force Regiment.