Hulling – Hulling. Tongång 1995. Johanna Bölja Hertzberg – vocals, Jens Engelbrecht – mandola, guitar, Ola Hertzberg – nyckelharpa, Dan Sjöberg – fiddle, Patrik Lindberg – percussion.

Hulling – Hårdhajen. Drone 1998. Johanna Bölja Hertzberg – vocals, Jens Engelbrecht – mandola, guitar, Ola Hertzberg – nyckelharpa, Dan Sjöberg – fiddle, Patrik Lindberg – percussion.

Sånger till Vargskinnet. Holmen Music 2002. Music written by Jonas Olsson, for the play Vargskinnet by Kerstin Ekman at the people’s theater (Folkteatern) in Gävle. Jonas Olsson – fiddles, Görgen Antonsson – fiddles, Örjan Hans-Ers fiddles, Johanna Bölja Hertzberg – vocals.

Kärleksbrev och ryska satelliter – Visor från Hälsingland/ Love letters and Russian satellites – Songs from Hälsingland. 
Holmen Music 2005. Four personalities, four voices, four stylistic expressions and yet a pleasing whole. Johanna Bölja Hertzberg – vocals, Katarina Hallberg – vocals, Emma Härdelin – vocals, Kersti Ståbi – vocals, Ola Hertzberg – nyckelharpa, Tomas Lindberg – guitar, mandola and Görgen Antonsson – fiddle.

Ditt Ditt Darium – Ifrån främmande land. smp 2007. Fiddle and vocal music from the North Sea rim. Johanna Bölja Hertzberg – vocals, Ebba Jacobsson – vocals, Emma Reid – fiddle, Alicia Björnsdotter Abrams – fiddle and viola.

Kapten Bölja – Kapten Bölja (Captain Bölja). Dimma Sweden. 2007. Traditional folk music with a focus on singing and storytelling. Johanna Bölja Hertzberg – vocals, Ola Hertzberg – nyckelharpa, Tomas “Limpan” Lindberg – guitar, bosoki, mandola. Special guest: William Olsson – flutes.

Ranarim – Allt för den ljusa stjärnan. Schmalensee produktion 2008 .Traditional christmas songs in new arrangements. Sofia Sandén – vocals and fiddle, Ulrika Bodén – vocals and flute, Johanna Bölja Hertzberg – vocals, Niklas Roswall – nyckelharpor, Daniel Ek- guitar, cittern, Roger Tallroth – guitar.  

Bölja, Antonsson, Engman – Rallarnas Visor (Songs of the railroad workers) JBH001 2014. Traditional folk songs of the railroad workers, arranged and performed by three folk musicians from the county of Hälsingland, Sweden. Johanna Bölja – vocals, Görgen Antonsson – fiddle, vocals, Pär Engman – vocals, guitar, bozoki.

Eriksson, Härdelin, Bölja, Hertzberg – Breda gatan               BG01 2019

Traditional folk songs from Sweden arranged and performed by Eriksson, Härdelin, Bölja, Hertzberg.

Kjell-Erik Eriksson – fiddle, Emma Härdelin – vocals, Johanna Bölja – vocals,, Ola Hertzberg – nyckelharpor (keyed fiddle)