Don't say "lazy" may refer to:
- An album from the Light Music Club
- The ending theme of the first season of the anime, performed by the Light Music Club
- The shorter "TV size version", used for the ending theme video
- An enhanced version of the ending theme, performed by the band Ho-Kago Tea Time
- An alternative "GAME Mix" version, shown in the game K-ON! Ho-Kago Live!!
- The instrumental version of the original version
- The instrumental version of the enhanced version
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