Please capitalize where necessary: "i went forward on the stage a bit and was able to communicate with the audience.
A: "I went forward on the stage a bit and was able to communicate with the audience.

Please capitalize where necessary: the idea developed, and i started selecting songs from over the years, starting with the javelins (in 1962).
A: The idea developed, and I started selecting songs from over the years, starting with The Javelins (in 1962).

Please capitalize where necessary: no authentication is a method that allows you to connect to any of the controllers by sending a string to the controller (13).
A: No authentication is a method that allows you to connect to any of the controllers by sending a string to the controller (13).

Please capitalize where necessary: the proposal is to contribute to ensuring that the eu reaches its target of a 20 per cent improvement in energy efficiency by 2020 so that the eu can reach its long-term climate and energy target in a cost-effective manner.
A:
The proposal is to contribute to ensuring that the EU reaches its target of a 20 per cent improvement in energy efficiency by 2020 so that the EU can reach its long-term climate and energy target in a cost-effective manner.