There's nothing wrong with the title of the thread now, but if you want to change it just click the edit button on the OP. You already edited your OP once, do it again and look at the title of the thread part and not just the post itself and you can change it.
3/28- Sam Holt & Friends
4/04- of Montreal
4/22- Peter Hook & The Light
5/8-5/10- Austin Psych Fest
7/3/-5- The Grateful Dead Fare thee Well