Oi Dai is Värttinä's 3rd album, and the first after they re-formed in 1990 after losing many members. It was released in 1991 in Finland by Spirit/Polygram. It was a great success, and led to Värttinä touring throughout Europe. In 1994, it was released in the United States by Xenophile Records. It was later re-released in the US by NorthSide.
- "Marilaulu" (traditional, arranged by Värttinä) – 2:08
- "Mie oon musta" (trad., arr. Värttinä) – 2:17
- "Viikon vaivane" (traditional/S. Kaasinen, arr. Värttinä) – 4:23
- "Kamaritski" (trad., arr. Värttinä) – 2:15
- "Miinan laulu" (trad., arr. Värttinä) – 3:13
- "Ukko lumi" (trad., arr. Värttinä) – 2:09
- "Vot vot ja niin niin" (trad., arr. Värttinä) – 2:41
- "Tupa täynnä tuppasuita" (trad., arr. Värttinä) – 2:34
- "Oi dai" (trad., arr. Värttinä) – 3:43
- "Tantsukolena" (trad., arr. Värttinä) – 2:07
- "Kiiriminna" – 2:43
- "Yks on huoli" (traditional/S. Kaasinen, arr. Värttinä) – 4:07