Complex sentence: As a part of the Tokyo String Quartet, he played the "Paganini-Comte Cozio di Salabue" violin (circa 1727) on loan from the Nippon Foundation, part of the Paganini Quartet collection of instruments made by Antonio Stradivari.
Split into simpler sentences: As a part of the Tokyo String Quartet, he plays the "Paganini-Comte Cozio di Salabue" violin (circa 1727). The violin is a part of the Paganini Quartet collection of instruments made by Antonio Stradivari.