Mulumbu has made it clear to Baggies fans they can be an influence.
"When I'm chasing the ball and I hear my song it refreshes my mind and legs," said Mulumbu to the WBA website.
"And I feel like 'I'm going to do this for the fans'.
"It's all motivation on the pitch; it's really important - and the fans have to know that!
"Even when you win a free-kick or corner and they start shouting, we know we are at home - and the opponent feels that.
"We need to show Cardiff this is going to be a long afternoon and we're there to win."
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