âWe have tied up with Apple for stocking a whole range of products in shop-in-shop format in Music World, including iPods and accessories.â â"  Subrata Chowdhury, President (Books and Music), Spencerâs Retail. Music World, the music retail chain of RPG group owned Spencerâs Retail, has tied-up with the US-based Apple Inc. â" a personal computer and consumer electronic behemoth to sell its products in its stores. This, according to a Business Standard report, marks Appleâs first shop-in-shop ti