what stand for " ES & LS; KT & LM, ES & JN" here ?

Question

15:00 UK time – ES & LS

17:00 UK time – KT & LM

19:00 UK time – ES & JN

Answer 1

What's the context for this?

My first thought is that this might refer to shows / performances by two folks, each having the initials (ES, LS, KT, etc.). Or maybe it's something entirely different.

Hard to say without knowing where you saw this.

Answer 2

What do "ES & LS; KT & LM, ES & JN" stand for here?  No idea.