Unsurprisingly, there haven't been many ESC entries in odd meters. The most well known and recent is of course Macedonia's "Mojot Svet" from 2007, in 7/8 time:
Also, Greece 1996 was in 7/8:
What do you think of these songs? And do you know of any earlier examples?
Also, Greece 1996 was in 7/8:
What do you think of these songs? And do you know of any earlier examples?