During 2020 Dave was invited to become part of the Big Big Train live band and played his first session for BBT at Real World Studios. He plays on the albums Common Ground and Welcome To The Planet and first toured with the band in September 2022.

But for all of these things, David was most truly himself when he was on stage. Just watch the DVD of Empire – that is David at his truest. That is who he was. He was quite simply magnificent.With his father, Per Øystein Sørensen of Fra Lippo Lippi, Oskar has performed a televised show and recorded a live album with the Norwegian Radio Orchestra, as well as playing several arena gigs in the Philippines, the earliest of which at the age of 19. Oskar is also a voice actor and piano teacher. Selected items are only available for delivery via the Royal Mail 48® service and other items are available for delivery using this service for a charge.

After this it took five years until the next solo album, Please Be Quiet, was released. On this album, the Gungfly moniker was first used. Gungfly is a Swedish word meaning unsecure ground and this band identity has featured on all of Rikard’s subsequent solo ventures. When Beardfish disbanded in 2016, Rikard signed as a solo artist (Rikard Sjöblom’s Gungfly) with InsideOut Music and has since released two albums with them and a 5 CD box set spanning the ten years leading up to his signing with the label. Kendall, Jo (23 May 2017). "Big Big Train – Grimspound album review". Louder . Retrieved 21 November 2021. Oskar has featured in a number of bands and productions during his relatively short career in music. His work has ranged from playing experimental prog in near empty clubs or traditional folk music to drowsy school children, to performing on prime time TV shows with some of Norway’s biggest pop artists.

At the time of his death, the album was 90% finished. However, David’s partner Sarah and all the key protagonists involved in its creation agreed that David would want the world to hear the album.