At Moldejazz they performed the commissions Den akustiske skyggen (1993) and Skrapjern og silke (1999), both presenting lyrics by Lars Saabye Christensen.
She is also contributing on 'Skrapjern og silke' (1999), based on stage performance with the texts of Lars Saabye Christensen and music composed by Ole Henrik Giørtz.
He was the musical director for Lars Saabye Christensen play Chet spiler ikke her with Torbjørn Harr on «Torshovteateret» in 2009/2010.
Slagsvold has also played with the rock band «Motorpsycho» from Trondheim, the pop trio «Skrujern», started in 1994, and within «Norsk Utflukt» where he primarily played the piano and bass, with the author Lars Saabye Christensen as vokalist.
He accounted for the commissioned work Den akustiske skygge (Moldejazz, 1993), and composed the music for Lars Saabye Christensen's Skrapjern og silke (1998) commissioned work for Moldejazz, which led to Edvard Prize nomination 1999.
Lars von Trier | Lars Ulrich | MC Lars | Marit Fiane Christensen | Lars Forssell | Lars Danielsson | Jon Christensen | Helena Christensen | Hayden Christensen | Lars Saabye Christensen | Lars Løkke Rasmussen | Lars Levi Laestadius | Lars Bystøl | T. C. Christensen | Lars Onsager | Ward Christensen | Lew Christensen | Lars Winnerbäck | Lars Petrus | Lars-Olof Mattsson | Lars Norén | Lars Lindberg Christensen | Lars Lilholt | Lars Leksell | Lars Larson | Lars Knutzon | Lars Jonson Haukaness | Lars Hirschfeld | Lars Gullin | Lars Frölander |