Complex sentence: Feeney was influenced by her grandfather who was an intrepid mineworkers' organiser, and a talented violinist himself, William Patrick Feeney also used music to carry the message of solidarity to working people.
Split into simpler sentences: Feeney was influenced by her grandfather who was an intrepid mineworkers' organiser. A talented violinist himself, William Patrick Feeney also used music to carry the message of solidarity to working people.