Week 4 dances and song choices

The dances and songs of all the couples for this week were revealed today and I've updated the Week 4 results page with the details, and also updated the Songs page, but to help you see which of this weeks songs have been used before, here's an extract with them all in.

 
Couple Dance Song Series
Alex & NeilTangoGo Your Own WaySeries 17, Week 4
Dani & VincentSambaSingle Ladies (Put A Ring On It)Series 10, Week 8
Catherine & JohannesCharlestonSingle Ladies (Put A Ring On It)Series 17, Week 4
Gabby & JamesJiveSaturday Night's Alright (For Fighting)Series 5, Week 3
Chris & KarenJiveSaturday Night's Alright (For Fighting)Series 17, Week 4
David & NadiyaQuickstepFrom Now OnSeries 17, Week 4
Dev & DianneCha cha chaDancing With A StrangerSeries 17, Week 4
Emma & AljažJiveKids In AmericaSeries 17, Week 4
Austin & ErinViennese WaltzSend In The ClownsSeries 6, Week 6
Emma & AntonViennese WaltzSend In The ClownsSeries 17, Week 4
Karim & AmyTangoParadiseSeries 17, Week 4
Bill & KarenRumbaAin't No SunshineSeries 3, Week 6
Jimi & FlaviaRumbaAin't No SunshineSeries 8, Week 3
Kelvin & OtiRumbaAin't No SunshineSeries 17, Week 4
Ali & BrianSalsaQuimbaraSeries 7, Week 4
Michelle & GiovanniSalsaQuimbaraSeries 17, Week 4
Anita & RobinSambaCome On EileenSeries 9, Week 8
Mike & KatyaQuickstepCome On EileenSeries 17, Week 4
Jamelia & TristanFoxtrotBecause You Loved MeSeries 13, Week 5
Saffron & AJContemporaryBecause You Loved MeSeries 17, Week 4
Claire & BrendanSalsaSenoritaSeries 4, Week 5
Will & JanetteFoxtrotSeñoritaSeries 17, Week 4