My experience is that you just have to keep ploughing through the dross until you find something acceptable.

I've performed with (and helped name)

Common Ground
Ruck Fugby and the Bootfallers
Slippery When Wet
Zentai Futon and the Tofu Supremes
Contraband
No Right Turn
One Step Forward
Bite the Wax Tadpole
Baldrick and the Cunning Plans
Never the Twain
and of course, Cloudstreet

(You can't always overcome the dross completely)