How about extending the existing:
We'll be coming
We'll be coming
We'll be coming down the road
When you hear the noise
Of the Yellow Fever Boys
We'll coming down the road
As per from 57 seconds in this clip
Everyone:
We'll be coming
We'll be coming
We'll be coming down the road
When you hear the noise
Of the Yellow Fever Boys
We'll coming down the road
(and then...)
Leader: Well everywhere we go
Everyone: Everywhere we go
Leader: People want to know
Everyone: People want to know
Leader: Who we are
Everyone: Who we are
Leader: Shall we tell them
Everyone: Shall we tell them
Leader: We're the Yellow Army
Everyone: We're the Yellow Army
Leader: We're mental and we're barmy
Everyone: We're mental and we're barmy
Leader: Oo-oooh!
Everyone: Oo-oooh!
Leader: Ho-oome!
Everyone: Ho-oome!
Leader: An' Awaa-aay!
Everyone: An' Awaa-aay!
EVERYONE:
Rocking All Over The League!
We'll be coming
We'll be coming
We'll be coming down the road
When you hear the noise
Of the Yellow Fever Boys
We'll coming down the road