Hopefully not already posted, but r/askreddit sings the Phineas and Ferb theme.2yr ⋅ the_nhir ⋅ r/redditsings
r/HistoryMemes sings Istanbul (Not Constantinople) by They Might Be Giants2yr ⋅ jeep_42 ⋅ r/redditsings
r/FavoriteCharacter sings I Know, You Know by The Friendly Indians (Psych theme song)3yr ⋅ WDJam ⋅ r/redditsings