Complex sentence: The Magnificat was sung on vesper services on feast days, and, according to recent research, Bach's setting was written for a performance on 2 July, celebrating the Marian feast of the Visitation.
Split into simpler sentences: The Magnificat was sung on vesper services on feast days. According to recent research, Bach's setting was written for a performance on 2 July, celebrating the Marian feast of the Visitation.