Detour - Immersive audio walks, now in 17 cities
Spotify - Map shows when two people play same song at same time
Tales & Tours - The personal tour guide that fits in your pocket
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
TripScout - Self-guided city tours from local experts
SoundCloud - Enjoy music & follow favourite artists