'Love and Affection' by Joan Armatrading
'Turn me On' by Norah Jones
Anything with a great sexy sax solo, like George Michael's 'Careless Whisper' or Dire Straits 'Your Latest Trick'.

If you're after instrumentals, I agree that Ravel's Bolero is one of the sexiest pieces of music out there...there are also some themes from Bizet's Carmen which I think are very powerful and sensual, and I also love some of Jan Garbarek's stuff is fab (hehehe back to the Sax again!).

Or for a more intimate, slow love making session or shared bath, how about John Williams' 'Cavatina'. That's just beautiful.

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