Crazy Frog is a Swedish CGI-animated character and Eurodance musician created in 2003 by actor and playwright Erik Wernquist. Marketed by the ringtone provider Jamba!, the character was originally created to accompany a sound effect produced by Daniel Malmedahl while attempting to imitate the sound of a two-stroke engine.

"Axel F" is an electronic instrumental track by German musician Harold Faltermeyer. It served as the theme for the 1984 film Beverly Hills Cop, starring Eddie Murphy, and became an international number one hit in 1985. The track reached number one in Ireland as well as on the US Billboard Hot Dance Club Play chart. Additionally, it was a number two hit in Belgium, Canada, the Netherlands, Switzerland, the UK, and West Germany.