Henrik first released music as a solo artist in 2021; the acoustic double single Inlindad/Cirklar.

This was Henriks premiere to release music in his mother tongue Swedish.

Inlindad/Cirklar were very well received in both the nordic countries and Germany,and were featured in the Top 10 on eminent international playlists such as HQindie’s “Nordic Indie Pop”, Big Sun Record’s “Modern Indie Folk” and the Finnish Kaaoszine’s “Kiinnostavimmat Uutuudet”.

The song Inlindad was also chosen as the song of the month on CBC / Radio Canada.

NUUKSIO is the outcome of the natural development of the acoustic songs and Heselius still sings with the same airy, meditative calmness.And although the soundscape of the music has grown larger,the evocative and journey-driven dreaminess is kept.

Henrik performs with various fellow musicians and artists depending on the size of the stage. His primary group along with him on stage are his friends Saranna Ehrnrooth and Amanda Blomquist. Visual artist Guzman-Figueroa's dreamy video art has grown into one of the instruments in the songs, and the group's live performances are known to be visually sublime.

In the end of 2023 Nuuksio signed with the Finnish record label Alakulttuuritalo.