Complex sentence: Keyboard instruments such as electronic organs were featured from the outset by groups such as Manfred Mann and The Animals, and later in the 1960s, rock bands such as The Who, Pink Floyd, The Doors and Hawkwind experimented with synthesizers.
Split into simpler sentences: Keyboard instruments such as electronic organs were featured from the outset by groups such as Manfred Mann and The Animals. Later in the 1960s, rock bands such as The Who, Pink Floyd, The Doors and Hawkwind experimented with synthesizers.