Musicmatch Key I Cannot Find Where To Enter My Musicmatch Plus Key In The New Yahoo Music Jukebox?

I Cannot find Where to enter my musicmatch plus key in the new yahoo music jukebox? - musicmatch key

Google Yahoo Migration Wizard for the initial transfer ... then the key is somehow connected with the date of signing in yahoo .... they have already covered the migration and seems to "look more" you need to sign in yahoo back to more opportunities.