Listening carefully to English songs and repeat or sing the lyrics will help you to improve your pronunciation. Besides, it will increase your knowledge of vocabulary and grammar structures. You will start using thos structures in your speaking. On the other hand, you will improve your listening comprehension.
Here are some videos with lyrics:
You can practice the pronunciation of -ed ending.
Task: find an English song that you can understand and work with lyrics. Here you have the instructions for the task.
Also, check this post