I loved Alors On Danse and then mostly forgot about him. That has changed. *nods* I love his second album Racine Carrée (well 12 of the 13 songs which is quite good for an album imo).

Yes, Quand c'est is so touching. As someone who has to deal with the topic everyday at work and lost family to cancer, I really feel you. I hope your friend is lucky and successful in their fight!
If you or they ever need information, ask me or at my work's place (German Cancer Information Service).
*hugs*