Any body who knows anything about Mikhail Glinka,?

You probably wont beileve this but my mums surname was glinka before she married my dad, my nan says down the Glinka generation was a famous russian composer called mikhail glinka, my nan has photos and all that about him and i was wondering if any1 new anything about my russian ancestor, i am not one of them people who sit in all day and make up stuff like this, i actually want to know