Please capitalize where necessary: grazer linuxtage is one of the main events in austria regarding linux and open source software in general.
A: Grazer Linuxtage is one of the main events in Austria regarding Linux and Open Source software in general.

Please capitalize where necessary: how to save money to get a cool bathroom renovation? people spend a lot of money renovating their house, but most of them forget to do anything to the bathroom.
A: How to Save Money to get a cool Bathroom Renovation? People spend a lot of money renovating their house, but most of them forget to do anything to the bathroom.

Please capitalize where necessary: splendid gilded cupolas rose over the roof, and between the pillars that surrounded the whole building stood life-like statues of marble.
A: Splendid gilded cupolas rose over the roof, and between the pillars that surrounded the whole building stood life-like statues of marble.

Please capitalize where necessary: ervin played the church organ at the sunday church services and donald soon became a passionate lover of the organ.
A:
Ervin played the church organ at the Sunday church services and Donald soon became a passionate lover of the organ.