Conversation so far:
who was the new frontman of Foreigner?
Mick Jones, the founder and only remaining original member of Foreigner, eventually found former Hurricane singer Kelly Hansen and was invited aboard as the new Foreigner frontman in March 2005.
where was Foreigner's Kelly Hansen from?
Kelly Hansen is the former singer of Hurricane.
How did Kelly Hansen influence the band Foreigner?
was Kelly Hansen a good fit in Foreigner?

Question: what did Kelly do in the band?
Self-contained rewrite: what did Kelly Hansen do in the band Foreigner?