Complex sentence: Faddis performs on a Schilke S-42L trumpet in gold-plate with slight modifications of his own design; prior to that he played a gold-plated B6L with the beryllium bell.
Split into simpler sentences: Faddis performs on a Schilke S-42L trumpet in gold-plate with slight modifications of his own design. He previously played a gold-plated B6L with the beryllium bell.