https://www.reuters.com/article/us-music-deezer-insight/david-v-goliath-deezer-seeks-musical-edge-on-spotify-idUSKCN1BM19E >From Brazilian gospel to Puerto Rican reggaeton and Dutch hip-hop, music streaming company Deezer is scouring the globe for gaps in the market where it can survive and thrive against Spotify and Apple.