With apologies to the collection, this is not Haiku, Tanka etc but shares common DNA in form and substance. Sijo is new to me and I am not an expert. From what I've read, it's an older Korean form comprised of three lines of between 14-16 syllables. Each line is split into four sections of between 3-5 syllables. Those smaller sections should also work as phrases. There is a musical feel to it. The the same ideas expressed in Haiku are expressed here too, nature, seasons etc. I learned about it on d"Verse (dversepoets.com). For me, there's a lot more work involved than Haiku but it was fun to play with something new.