Magalu is the largest e-commerce in Brazil, with US$ 31.5 bn of market value. To promote its music instruments marketplace and sell directly to people who is already interested in music, Magalu partnered with Deezer to create a digital platform that combines entertainment and shopping. Decifrei is a mobile experience inside Deezer where music becomes media and a store for Magalu's instruments. While listening, users can discover which instruments were used in each song as they listen and buy them on Magalu's e-commerce with just one click.