Clue: Merseyside singer, fellow associated with Parisian group, getting a fiddle (14)
Answer: GERRYMANDERING
Explanation: Definition: getting a 
=fiddling with voting districts to favour certain candidates
 GERRY Marsden="Merseyside singer" of Gerry and the Pacemakers ; plus MAN="fellow"; plus DE=of="associated with" in French/"Parisian"; plus RING="group"