Complex sentence: Later, another member of the band included Art Ramsey whom was hired as a replacement drummer and performed live, on-the-road, in many different cities and venues with the Chambers Brothers band after Keenan's departure.
Split into simpler sentences: Later, another member of the band, Art Ramsey, was hired as a replacement drummer. He performed live, on-the-road and in many different cities and venues with the Chambers Brothers band after Keenan's departure.