Note to readers: This post was originally written in connection with a March 2016 concert by my own choir. I have left it as is, since it contains quite a bit of information about how commissions work and therefore should be of general interest.
So I started out by saying that we (that is, the Cherry Creek Chorale in the Denver area) had a number of commissioned pieces on our program for this concert, which raised the question above. So how does it all work?
Well, it depends. If I were to commission a wall hanging by a local artist to put in the stairwell of my home, that original physical item would belong to me. Beyond that ownership, though, there could be a number of permutations. I would have to spell out what other rights I wanted to purchase along with the item itself: Would I own the rights to the image or design? Could I make prints or copies of it and sell them? Would I have to give credit to the artist any time that a picture of my home was published that included the stairwell? Etc. It’s a very interesting and complicated issue.
I will start out this post by quoting myself (how’s that for arrogance?) from what I wrote about the William Agee poem “This Shining Night” from a previous Christmas concert: “Poetry isn’t supposed to be an art form that can be reduced to simple explanations; otherwise, why write the poem at all? Just explain what you’re trying to say in a clear, concise paragraph and forget the versifying.” You can enjoy the imagery and wit in these four short lyrics without having any explanation or context. But if you’re like me, you’ll appreciate the words much more if you have some sort of context for them. I was very fortunate to find 
. . . with the adoption of the Welsh national anthem?
First of all, the burning question:

What is the significance of the year 1913 in “Noël: Christmas Eve, 1913”?
Note to readers: This post isn’t actually about choral music but about an operatic aria. If you like Gounod’s Faust, though, I think you’ll enjoy reading the following: