In the context of the input sentence, determine the relationship between 'Fnac' and 'music'.
Options: currency, chairperson, operator, product/material produced

Elsewhere, shares in French electrical goods retailer Darty (Other OTC: KESAF - news ) rocketed 19.1% after books and music retailer Fnac said it has made a proposal to buy the company for £533m.
product/material produced