Angry Birds Seasons / Angry Birds Seasons / Angry Birds Seasons

Tracks 1-6 and 26 composed, performed, recorded, produced and mixed by Ari Pulkkinen
Tracks 7,11,14,15,25,29,30 composed, performed, recorded, produced and mixed by Ilmari Hakkola
Tracks 8,9,10,12,13,18,19,22,27,28 composed and performed by Salla Hakkola and mixed by Henri Sorvali, apart from track 22, produced by Osmo Ikonen, recorded by Kalle Keskikuri / Fried Music, mixed by Tommi Vainikainen / Fried music
Tracks 17,20,23,31 composed, performed, recorded, produced and mixed by Henri Sorvali
Tracks 16 composed, performed, recorded, produced and mixed by Alexander Röder
Tracks 21 composed, performed, recorded, produced and mixed by Apocalyptica
Tracks 24 composed, performed, recorded, produced and mixed by Douglas Black Heaton

Lyrics:
Track 9 by Salla Hakkola & Osmo Ikonen
Track 15 by Salla Hakkola & Matt Dusk
Track 18, 22 by Salla Hakkola

Additional musicians:
Track 8 Meri-Tuuli Saarnio, accordion
Track 9 Osmo Ikonen, vocals & piano & brass arrangement, Topi Korhonen, guitar
Track 12 Riikka Hänninen, vocals, Tuomo Huhdanpää, percussion
Track 13 Antti Kemppainen, vocals, Antti Kujanpää, keyboard
Track 14 Saana Tenkanen, vocals
Track 18 Ernie Sabella, vocals, Antti Kujanpää, keyboard, Eero Seppä, bass, Jonatan Sarikoski, drums, Kasperi Sarikoski, trombones, Jarkko Niemelä, trumpet
Track 19 Stefan Stanciu, pan flute
Track 22 Max C, vocals, Heini Ikonen, backing vocals, Osmo Ikonen, keyboards, bass, percussion, Eero Grundström, harmonica, Mikko Kaakkurinniemi, drums
Track 27 Pasi Eerikäinen, violin, Tomas Gricius, trumpet
Track 28 Eero Grundström, harmonica, Roope Aarnio, plucked instruments

All tracks mastered by Henri Sorvali