"Aina mun pitää" (pronounced [ˈɑi̯nɑ mum ˈpitæː]; English: I always have to[1]) is a song by Finnish punk rock band Pertti Kurikan Nimipäivät.

[2] On 7 January 2015, it was leaked through Spotify that Pertti Kurikan Nimipäivät would compete in Uuden Musiikin Kilpailu 2015 with the song "Aina mun pitää", along with the seventeen other competing artists.

[3] The official music video was presented on 13 January on both the band's Vevo account and UMK's YouTube channel, and then, the next day, it was released on iTunes.

[4] "Aina mun pitää" is a song which runs for one minute and twenty-seven seconds.

It is the shortest song to be entered in the history of the Eurovision Song Contest, beating the record previously held by the United Kingdom for their 1957 entry in the contest that clocked in at one minute and fifty-two seconds.