321 (disambiguation) explained
3 2 1, or 3, 2, 1 or 3-2-1 may refer to:
Outside of music and entertainment
- The year 321 or year 321 BC
- 321 (number), the number 321
- 3-2-1, a popular rule for computer data storage backup
- 321 Florentina, a main-belt asteroid
- BMW 321, a mid-sized luxury car
Entertainment
- 3-2-1, Yorkshire TV gameshow 1978–1988
- 3,2,1... Frankie Go Boom, 2012 film directed by Jordan Roberts
- 3-2-1 Contact, an American science educational television show that aired on PBS 1980–1988
- 3-2-1 Penguins!, a series of Christian computer-animated (direct-to-video until 2003) cartoons launched on November 14, 2000
Music
Albums
- 3.2.1., an album by the rock band Zilch, 1998
- Three. Two. One., an album by Lennon Stella, 2020
- 3-2-1, a compilation album by Lior (singer), 2011
Songs
See also
- 4, 3, 2, 1, various topics
- 5-4-3-2-1, a 1963 single by Manfred Mann
- Countdown, a sequence of backward counting to indicate the time remaining before an event is scheduled to occur