Norbert Fabian Čapek
References
The below is from the comments section of this article: https://andrewjbrown.blogspot.com/2024/12/blog-post.html
On Capek's liturgical material
he did write a great many hymns, translations of a few of which have made it into various Unitarian hymnals in the UK and US. From my reading, it seems that Čapek's pre-WWII meetings in Prague centred primarily on lectures/talks and, given that he wrote so many hymns, presumably also some singing.
On the Flower Communion
What I do know is that the Flower Communion was written as a response to those who felt there needed to be, at least on certain occasions, some more obviously religious ritual present in Czech Unitarian gatherings.
The survival and diffusion of the Flower Communion was literally a 'fortunate case' before the 'collapse' of a community or the loss of the collective narrative.
Unortunately this is somewhat common in liturgical history...
Our rites are the 'glue' of the life of the community, but somewhat they are frail and easy to lose...