One Song a Day Takes Mischief Away () is a 1970 Croatian comedy-drama film. Directed by Kreà ¡o Golik and based on a novella by , the film achieved considerable critical and commercial success at the time of its release. In 1999, a poll of Croatian film critics found it to be the best Croatian film ever made.
Set in 1935 in Zagreb, the story is seen through the eyes of six-year-old Perica à  afranek (played by Tomislav à ½ganec). A dandy from Zagreb, Mr Fulir (played by Relja Baà ¡iÃÂ), starts flirting with Perica's mother during a family picnic. At first, Perica's father does not notice anything and invites Fulir to their residence. Perica's father wants to marry off Perica's aunt to Fulir, pairing them because Fulir is a good man and she is rich. After multiple rendezvous, he becomes aware of Fulir's attempts to seduce his wife.
A television sequel series titled Dnevnik velikog Perice, which follows Perica à  afranek (portrayed by à ½ivko AnoÃÂiÃÂ) about thirty years after the events of the film, premiered on HRT 1 on 8 March 2021.