There was "The Cotton Squares" 3 songs in MP3, but, sadly download links are dead now.[0]
FTR, Thanks to linked HaikuOS Forum thread, ~10 year old Reddit request could be solved finally.[1]
[0] http://www.oocities.org/sbarta30/fanmusic.html
[1] https://old.reddit.com/r/haikuOS/comments/c6lkp/the_beos_son...
They missed an opportunity to release an album called "The Be Sides"
> an album called "The Be Sides"
Does it available somewhere?
According to kallisti5 (a Haiku dev), they may have permission to redistribute. They should!
https://discuss.haiku-os.org/t/the-cotton-squares-new-tunes/...