Spotify - Map shows when two people play same song at same time
Year In Progress - Day / month / year progress bars 📊 in your taskbar
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
ICYMT - Watch as time progresses on every new tab.
SoundCloud - Enjoy music & follow favourite artists
Progress Bar OSX - This is your life and it's ending ⏳ one minute at a time