"Tricycle" is a single by British Electronica duo Psapp. It was the first single taken from The Only Thing I Ever Wanted in Europe. In the US, however, it was the second single, with "Hi" being the first. Following the use of Psapp's "Cosy In The Rocket" in the soundtrack of hit TV show Grey's Anatomy, the single reached the Top 20 in the United Kingdom and France, and peaked inside the Top 40 in Austria, Germany and Australia. In the United States, the single reached #49.